Prefixes and suffixes
Prefixes and suffixes are word parts added before or after a root to change its meaning or grammatical job. Use the examples by school year below to build words together, then try free curriculum spelling practice.
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Best for understanding school spelling patterns
This guide helps parents talk through homework and teachers choose a short word-building activity. Start with the pattern your child has met in class. The year bands describe England's curriculum; schools choose the teaching order, including how to spread the shared Years 3–4 and Years 5–6 content.
A root carries the main meaning: tie becomes untie, meaning to undo the tying.Kind describes someone; kindness names the quality. Hyphens in un- and -ness show where the part attaches; the finished words here have no hyphen.
Prefixes and suffixes by year
Source: DfE English Appendix 1: Spelling, Year 1 (pages 1–5), Year 2 (pages 6–9), Years 3–4 (pages 10–16) and Years 5–6 (pages 17–23). This selected overview uses our own examples; it is not the whole spelling curriculum.
| Year band | Content | Examples | What to notice |
|---|---|---|---|
| Year 1 | -s, -es and un-; also -ing, -ed, -er and -est where the root spelling stays the same. | boats, wishes, untie, jumping, jumped, quicker, quickest | Un- goes before the root. Plural and verb endings go after it: one boat, two boats; I jump, she jumps. |
| Year 2 | -ment, -ness, -ful, -less and -ly; further work on -es, -ed, -ing, -er and -est. | enjoyment, kindness, hopeful, careless, slowly | Read the meaning as well as the ending: hopeful means full of hope; careless means without care. |
| Years 3 and 4 (shared) | dis-, mis-, in- (including il-, im-, ir-), re-, super-, anti-, auto-; -ation and further -ly rules. | disagree, misread, inactive, illegal, impossible, irregular, rebuild, supermarket, anticlockwise, autograph, information, gently | In- changes form before some letters: il- before l, im- before m or p, ir- before r. These are parts of the shared two-year programme. |
| Years 5 and 6 (shared) | Endings -cious/-tious and -cial/-tial; -ant/-ance/-ancy, -ent/-ence/-ency; -able/-ible and -ably/-ibly. Suffixes beginning with vowel letters after words ending in -fer. | spacious, cautious, official, partial, observant, observance, hesitancy, innocent, innocence, frequency, washable, visible, comfortably, possibly, referring, reference | Use related words and dictionaries to check the ending. Some choices depend on word history; one sound alone will not tell you the spelling. |
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Choose the part that fits the meaning
Disagree means to have a different view; misread means to read incorrectly;rebuild means to build again. Ask: “If a bridge is damaged and workers build it again, which word fits?” The answer is rebuild. A meaning question gives the prefix a purpose.
Compare inactive, illegal, impossible and irregular. In these words, in- and its related forms mean “not”. Other prefixes add different ideas:super- can mean above or beyond, anti- against, and auto- self. An autograph is someone's own handwritten signature.
With suffixes, compare “The child is kind” and “We noticed the child's kindness”. The adjective becomes a noun. Adding -ly often makes an adverb, as in slow → slowly, but friendly is an adjective. Check how the whole word works in its sentence.
Check what happens at the join
| Pattern | Word building | Explanation |
|---|---|---|
| Keep the root | hope + -ful → hopeful | The final e stays because -ful begins with a consonant. Care + -less → careless works the same way. |
| Change y to i | happy + -ness → happiness | A consonant before final y often leads to i before a suffix. Enjoy + -ment → enjoyment keeps y after a vowel. |
| Drop final e | gentle + -ly → gently | For this -le ending, replace the final e with y. This is a particular -ly pattern, not a rule for every final e. |
| Double a consonant | refer + -ing → referring | The final syllable is stressed, so r doubles. Reference keeps one r because the stress changes. |
A short build, explain and check activity
- Write kind, hope and care on paper, with separate cards for -ness, -ful and -less.
- Build kindness, hopeful and careless. Say what each means and notice that each root stays intact.
- Cover the completed words. Say “We thanked her for her kindness” and ask your child to write the target word.
- Check together, then try a new sentence later. For a child already learning y-to-i changes, add happy → happiness.
For older pupils, compare comfortable → comfortably with possible → possibly. Use a dictionary to check unfamiliar -able/-ible choices. Explore the Year 3 spelling guide, shared Years 3 and 4 list or Years 5 and 6 statutory words for wider practice.
Frequently asked questions
What is the difference between a prefix and a suffix?
A prefix goes before a root word, as in un- + tie → untie. A suffix goes after it, as in kind + -ness → kindness. Both can change meaning; suffixes can also change a word's grammatical role or mark a plural or tense.
Which prefixes and suffixes are taught in Year 3?
The DfE groups Years 3 and 4 together. Their shared spelling programme includes dis-, mis-, in- with il-, im- and ir-, re-, super-, anti- and auto-, plus -ation and further -ly rules. Schools choose the order across the two years; this is not a separate national Year 3 checklist.
Do we always keep the root word's spelling?
Often, but not always. Hope becomes hopeful with its e intact; happy becomes happiness with y changed to i; refer becomes referring with a doubled r. Learn the meaning and check the spelling change together.
Does the free Spellito round test these prefixes and suffixes?
The button starts ten-word Year 3 curriculum spelling practice. It draws on the shared Years 3 and 4 statutory word list and is not a dedicated prefixes and suffixes test or a round drawn from this article's examples. Use the activity here for focused word-building practice.
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