Prefixes and suffixes are groups of letters that are added to the beginning or end of a word to form a new word with a different meaning.
Neither prefix nor suffix stan alone, they are compound with a word.
Prefix
Prefixes are added to the beginning of a word to form a new word with the modified meaning. Prefixes are just two or three letters long but still change the meaning of the formal word.
Prefixes are words with negative meaning and used to form the opposite of a word.
Dis, un, im, ir, il, in, non, under are examples of prefixes.
Dis
| appear | disappear |
| like | dislike |
| advantage | disadvantage |
| prove | disprove |
| own | disown |
| approval | disapproval |
| unity | disunity |
| obedience | disobedience |
| continuity | discontinuity |
| contentment | discontentment |
| satisfy | dissatisfy |
Un
| popular | unpopular |
| usual | unusual |
| answerable | unanswerable |
| available | unavailable |
| faithful | unfaithful |
| acceptable | unacceptable |
| fit | unfit |
| fair | unfair |
| pleasant | unpleasant |
| grateful | ungrateful |
| avoidable | unavoidable |
Im
| possible | impossible |
| perfect | imperfect |
| moral | immoral |
| movable | immovable |
| patient | impatient |
| purity | impurity |
| mobilize | immobilize |
| partial | impartial |
| probable | improbable |
| measurable | immeasurable |
Ir
| regular | irregular |
| responsible | irresponsible |
| rational | irrational |
| replaceable | irreplaceable |
| relevant | irrelevant |
| responsibility | irresponsibility |
| recoverable | irrecoverable |
| resistible | irresistible |
| religious | irreligious |
| rationally | irrationally |
Il
| legal | illegal |
| legitimate | illegitimate |
| logical | illogical |
| literate | illiterate |
| legible | illegible |
| favoured | ill-favoured |
| liberal | illiberal |
In
| visible | invisible |
| decent | indecent |
| secure | insecure |
| ability | inability |
| accuracy | inaccuracy |
| calculable | incalculable |
| adequately | inadequately |
| comparable | incomparable |
| curable | incurable |
| credible | incredible |
Non
| cooperation | noncooperation |
| aligned | nonaligned |
| compliance | noncompliance |
| conductor | nonconductor |
| conformist | nonconformist |
| entity | nonentity |
| existent | nonexistent |
| interference | noninterference |
| payment | nonpayment |
| sense | nonsense |
Under
| nourished | undernourished |
| value | undervalue |
| estimate | underestimate |
| pay | underpay |
| privileged | underprivileged |
| abovementioned | undermentioned |
| expose | underexpose |
| staffed | understaffed |
Mis
| understand | misunderstand |
| take | mistake |
| use | misuse |
| place | misplace |
| behave | misbehave |
| lead | mislead |
| spell | misspell |
| read | misread |
| count | miscount |
| fortune | misfortune |
In some cases, prefixes combined with other prefixes and word to form a new word.
Suffix
Suffixes are joined to the end of a word to form a new word with the modified meaning.
Sometimes, the formation of new words using suffix would change the class of word.
Ish, ous, ful, less, al, able, ily, tion are some examples of suffixes.
Nouns into adjectives
| Nouns | Adjectives |
| child | childish |
| cheer | cheerful |
| faith | faithful, faithless |
| beauty | beautiful |
| hope | hopeful |
| danger | dangerous |
| centre | central |
| dark | darkish |
| memory | memorable |
| day | daily |
| peace | peaceful |
| youth | youthful |
| mouth | mouthful |
| truth | truthful |
Adjectives into nouns
| Adjective | Noun |
| fearful | fear |
| imaginary | imagination |
| appreciative | appreciation |
| decisive | decision |
| clear | clarity |
| wise | wisdom |
| moveable | movement |
| warm | warmth |