A prefixprefix is a word part that is added at the beginning of a word. When a prefix is added to a word, it changes the meaning of the word.

9 Common Prefixes9 Common Prefixes

1. mis- – wrong2. non- – not3. pre- – before4. un- – not5. dis- – opposite or away6. sub- – under or less than7. super- – above or more than8. re- – back or again9. in-, im-, ir-, il- - not

ExamplesExamples

misspell superstar

non-swimmer restart

preview informal

unsettled illegal

displace improper

submarine

A suffixsuffix is a word part that is added at the end of a word.

7 Common Suffixes7 Common Suffixes

1. -er / -or – a person or thing that does something

2. -fold – so many times as much3. -ward – in the direction of4. -less – without5. -able – can be or having this

quality6. -ful – full of or having7. -ous – full of or having

ExamplesExamples

helper reasonable

tenfold useful

homeward dangerous

worthless