A prefix is a part-word added to the beginning of another word to change its meaning.
| anti- | against, opposed to | anti-government |
| dis- | not | dishonest, disobey |
| pro- | for, supporting | pro-government |
| re- | to do again | reorganize, reunite |
| self- | acted upon/by self | self-declared, self-appointed |
| un- | not | unusual, unhappy |
A
suffix is a part-word added to the end of a word to change its meaning.
These four may be added to a word to mean the person or thing that does the
action suggested by the word.
| -ist | art > artist |
| -er | paint > painter |
| -or | act > actor |
| -ant | serve > servant |
These five can change a verb into a noun closely related to the verb.
| -ment | agree > agreement |
| -age | marry > marriage |
| -tion | protect > protection |
| -sion | invade > invasion |
| -ing | I like to read > I like reading |
This suffix can change some nouns into adjectives,
| -ful |
care >
careful |
and this one can change some adjectives into nouns.
| -ness | willing > willingness |