Prefixes and Suffixes

triangle
tricycle
triceratops

What are some words with tri-?

biography
biology
bioluminescence
biomimicry
biotic
biodegradable

What are some words with bio?

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Affixes can change the meaning or part of speech of words.
Prefix- added to the beginning of the word
Suffix- added to the end of the word
help= verb (root word) helper=noun
helpful= adjective unhelpful= adjective

• Out means "beyond or outside"

• re means "again or back"

• en mean to cause

• un- or dis mean "not".

• ful means "full of"

• ly means "characteristic of"

• ness means "state of"

• meant means "action or process of"