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HomeCXC CSEC English A (English Language)Spelling and Word Formation
CXC · CSEC · English A (English Language) · Revision Notes

Spelling and Word Formation

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Quick answer

Write i before e except after c when the sound is ee, with seize, weird, protein and species as exceptions. Double a final consonant before a vowel suffix when a single vowel precedes it and the final syllable is stressed, and always double a final l in British usage. Drop a silent e before a vowel suffix and keep it before a consonant suffix, but keep it after c or g before -able and -ous. Change y to i after a consonant before most suffixes, but never before -ing. Plurals add -es after s, ss, sh, ch, x and z, change y to ies after a consonant, often change f to ves, and vary after o; irregulars such as children, feet and mice must be learned, and compounds pluralise the main noun. Prefixes never alter the root, which produces the double letters in unnecessary and misspell. Suffixes signal part of speech: -tion, -ment and -ness form nouns, -ise and -ify form verbs, -able, -ful and -ous form adjectives, and -ly forms adverbs.

What you'll learn

Spelling and word formation is assessed throughout CXC CSEC English Language. Paper 1 contains direct items on spelling and on forming the correct part of speech; cloze passages require you to supply a correctly formed and correctly spelled word; and in Paper 2 spelling contributes to the technical accuracy marks on every piece of writing. English spelling has a reputation for irregularity, but a large proportion of errors fall into a small number of predictable patterns, and learning the patterns is far more efficient than memorising words individually. By the end of this guide you should be able to apply the main spelling rules and know their exceptions, add prefixes and suffixes correctly including the doubling and dropping rules, form nouns, verbs, adjectives and adverbs from a common root, form plurals confidently, and proofread your own writing for the errors you personally make most often.

Key terms and definitions

Root — the base part of a word carrying its core meaning, such as form in reform, formal and information

Prefix — a meaningful unit added to the beginning of a word, such as un-, dis-, pre- or mis-

Suffix — a meaningful unit added to the end of a word, such as -ness, -tion, -able or -ly

Derivation — forming a new word, often of a different part of speech, by adding affixes

Inflection — changing a word's form to show grammatical information such as plural or past tense

Syllable — a unit of pronunciation containing one vowel sound

Stress — the emphasis placed on one syllable of a word, which affects some spelling rules

Silent letter — a letter written but not pronounced, as in knee, doubt or island

Homophone — a word pronounced like another but spelled differently

Core concepts

The i before e rule and its limits

The familiar rule states i before e except after c, when the sound is ee. This gives believe, achieve, relief, piece and field, against receive, deceive, ceiling and perceive.

The rule only applies when the sound is ee, which is why neighbour, weigh, eight and their are not exceptions at all — their sound is different.

Genuine exceptions are few and worth memorising as a short list: seize, weird, protein, caffeine, species and science, where the c and i belong to different syllables.

Doubling the final consonant

When adding a suffix beginning with a vowel, such as -ing, -ed, -er or -est, double the final consonant if the word ends in a single consonant preceded by a single vowel and the final syllable is stressed.

One-syllable words satisfy this readily: stop gives stopping, run gives running, big gives bigger, swim gives swimming.

For longer words, the stress decides. Begin is stressed on the second syllable, so the consonant doubles: beginning. Prefer likewise gives preferred. But visit is stressed on the first syllable, so it does not double: visiting. Benefit gives benefiting, and open gives opening.

The rule does not apply when two vowels precede the consonant, as in rain giving raining, nor when the word ends in two consonants, as in jump giving jumping.

British and Caribbean usage doubles a final l regardless of stress: travel gives travelling, cancel gives cancelled, marvel gives marvellous. CSEC follows British convention here.

Dropping the silent e

Drop a final silent e before a suffix beginning with a vowel: hope gives hoping, care gives caring, use gives usable, arrive gives arrival.

Keep it before a suffix beginning with a consonant: hope gives hopeful, care gives careless, arrange gives arrangement, complete gives completely.

Two important exceptions exist. Words ending in -ce or -ge keep the e before -able and -ous, in order to preserve the soft sound: notice gives noticeable, manage gives manageable, courage gives courageous, advantage gives advantageous. And a few words keep the e to avoid confusion, such as dyeing from dye, distinguishing it from dying.

Words ending in y

If a consonant precedes the y, change the y to i before most suffixes: happy gives happiness, carry gives carried, beauty gives beautiful, study gives studied, lonely gives loneliness.

The exception is the suffix -ing, before which the y is always kept: carry gives carrying, study gives studying, hurry gives hurrying.

If a vowel precedes the y, keep it: play gives played and playing, enjoy gives enjoyed and enjoyment, destroy gives destroyed.

Forming plurals

Most nouns add -s. Nouns ending in s, ss, sh, ch, x or z add -es: buses, glasses, dishes, churches, boxes.

Nouns ending in a consonant plus y change y to i and add -es: city gives cities, country gives countries. Nouns ending in a vowel plus y simply add -s: days, keys, boys.

Nouns ending in f or fe often change to ves: leaf gives leaves, knife gives knives, half gives halves, wife gives wives, thief gives thieves. But several simply add -s: roofs, chiefs, beliefs, cliffs.

Nouns ending in o vary. Those preceded by a consonant usually add -es: potatoes, tomatoes, heroes, mangoes. Those preceded by a vowel add -s: radios, studios. Musical and shortened terms add -s: pianos, photos.

Irregular plurals must be learned: child and children, man and men, woman and women, foot and feet, tooth and teeth, mouse and mice, person and people. Some nouns do not change: sheep, deer, fish, series, species.

Compound nouns pluralise the main noun: mothers-in-law, passers-by, attorneys general.

Prefixes

Prefixes never change the spelling of the root. This single fact prevents a great many errors.

Dis plus satisfied gives dissatisfied with two s letters, because the prefix ends in s and the root begins with s. Likewise un plus necessary gives unnecessary, mis plus spell gives misspell, and ir plus responsible gives irresponsible.

Knowing prefix meanings also aids comprehension: un-, in-, im-, il-, ir- and non- negate; re- means again; pre- means before; post- means after; sub- means under; trans- means across; inter- means between; anti- means against; auto- means self; bi- means two; mono- means one.

Suffixes and part of speech

Suffixes usually change a word's part of speech, and recognising which suffix produces which part of speech is exactly what cloze items test.

Noun suffixes include -tion, -sion, -ment, -ness, -ity, -ance, -ence, -ship, -hood and -ism: decide gives decision, happy gives happiness, govern gives government.

Verb suffixes include -ise or -ize, -ify, -en and -ate: modern gives modernise, simple gives simplify, short gives shorten.

Adjective suffixes include -able, -ible, -ful, -less, -ous, -ive, -al, -ic and -y: care gives careful, danger gives dangerous, create gives creative.

The adverb suffix is -ly, added to an adjective: careful gives carefully, happy gives happily, true gives truly — note that last irregularity.

CSEC follows British convention, so -ise is the standard spelling for verbs such as realise, organise and recognise, though -ize is also accepted. Be consistent within a single piece of writing.

Word families in practice

Building a family from one root is a genuinely useful exam skill. From decide come decision, decisive, decisively, indecisive and undecided. From strength come strengthen, strong and strongly. From nation come national, nationality, nationalise and international.

When a cloze item gives you a root in brackets, identify the part of speech the gap requires first, then select the suffix that produces it.

Worked examples

Example 1: Applying the doubling rule (3 marks)

Add -ing to begin, visit and travel, explaining each.

Begin ends in a single consonant after a single vowel and its stress falls on the final syllable, so the consonant doubles: beginning. Visit has the same letter pattern but the stress falls on the first syllable, so no doubling occurs: visiting. Travel would not double under the stress rule, since the stress is on the first syllable, but British and Caribbean convention doubles a final l regardless: travelling.

Example 2: Forming the correct part of speech (4 marks)

Complete each sentence with the correct form of the root in brackets: The committee reached a unanimous ______ (decide). Her ______ (persist) impressed the panel. He spoke ______ (confident) throughout. The plan proved ______ (benefit) to the whole community.

The first gap follows the article a and an adjective, so a noun is required: decision. The second follows the possessive Her, so a noun is again required: persistence. The third modifies the verb spoke, so an adverb is needed: confidently. The fourth follows the linking verb proved and describes the plan, so an adjective is needed: beneficial.

Example 3: Correcting spelling in a passage (4 marks)

Correct the errors: The committe was dissatisfied with the arrangments and recieved several complaints about the noticable delays.

Four words are misspelled. Committe is missing a final e: committee. Arrangments has wrongly dropped the silent e, which must be kept before a suffix beginning with a consonant: arrangements. Recieved breaks the rule that e comes before i after c: received. Noticable has wrongly dropped the e, which must be kept after c before -able to preserve the soft sound: noticeable. Note that dissatisfied is correct, since the prefix dis- is simply added to satisfied.

Common mistakes and how to avoid them

The most frequent error is dropping or keeping the silent e incorrectly. The test is the first letter of the suffix: vowel means drop, consonant means keep, with -ce and -ge words keeping the e before -able and -ous.

Students often add or remove letters when attaching a prefix. The prefix is simply placed in front; the root never changes, which is why unnecessary, misspell and dissatisfied have double letters.

Another common fault is producing the wrong part of speech in cloze items — writing confident where confidently is needed. Identify what the gap requires grammatically before choosing the suffix.

Homophone errors, particularly their, there and they're and its and it's, remain among the most heavily marked spelling faults. These are not really spelling errors but word-choice errors, and they need a separate proofreading pass.

Finally, many candidates apply the doubling rule to every word rather than checking the stress, producing forms such as visitting and benefitting.

Exam technique for "Spelling and Word Formation"

In cloze and word-formation items, identify the part of speech the gap needs before you look at the root. Ask whether the gap follows an article, a possessive or a preposition, which signals a noun; whether it modifies a verb, which signals an adverb; or whether it follows a linking verb, which signals an adjective.

For spelling items, apply the relevant rule consciously rather than choosing what looks familiar. Familiarity is unreliable precisely because misspellings are common in everyday writing.

Keep a personal list of the words you get wrong. Most candidates repeat the same twenty or thirty errors, and targeting those is far more efficient than general revision.

In Paper 2, do a dedicated spelling pass at the end, reading from the last line backwards to the first. Reading backwards breaks the flow of meaning and makes individual words visible in a way that normal reading does not.

Quick revision summary

Write i before e except after c when the sound is ee, with seize, weird, protein and species as exceptions. Double a final consonant before a vowel suffix when a single vowel precedes it and the final syllable is stressed, and always double a final l in British usage. Drop a silent e before a vowel suffix and keep it before a consonant suffix, but keep it after c or g before -able and -ous. Change y to i after a consonant before most suffixes, but never before -ing. Plurals add -es after s, ss, sh, ch, x and z, change y to ies after a consonant, often change f to ves, and vary after o; irregulars such as children, feet and mice must be learned, and compounds pluralise the main noun. Prefixes never alter the root, which produces the double letters in unnecessary and misspell. Suffixes signal part of speech: -tion, -ment and -ness form nouns, -ise and -ify form verbs, -able, -ful and -ous form adjectives, and -ly forms adverbs.

Spelling and Word Formation: common questions

What do you need to know about Spelling and Word Formation for CXC CSEC English A (English Language)?

Write i before e except after c when the sound is ee, with seize, weird, protein and species as exceptions. Double a final consonant before a vowel suffix when a single vowel precedes it and the final syllable is stressed, and always double a final l in British usage. Drop a silent e before a vowel suffix and keep it before a consonant suffix, but keep it after c or g before -able and -ous. Change y to i after a consonant before most suffixes, but never before -ing. Plurals add -es after s, ss, sh, ch, x and z, change y to ies after a consonant, often change f to ves, and vary after o; irregulars such as children, feet and mice must be learned, and compounds pluralise the main noun. Prefixes never alter the root, which produces the double letters in unnecessary and misspell.

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