Prefixes
This prefix means “not” or “opposite of.”
Un-
This suffix makes a word mean “without” something.
-less
This root means “water.”
aqua
Base word: act → Word that means “to act again.”
react
A word that means “can be seen” (root: vis)
visible
This prefix means “again.”
This suffix turns a verb into a noun (state of being kind).
-ness
This root means “heat.”
therm
Base word: form → Word that means “the shape of something.”
formation
A word that means “not fair” (prefix: un‑)
unfair
This prefix means “before.”
Pre-
This suffix changes a verb to a noun that shows an action or process (like celebration).
-tion OR -sion
This root means “write.”
scrib/script
Base word: use → Word that means “helpful or effective.”
useful
A word that means “the act of celebrating” (suffix: ‑tion)
celebration
This prefix means “wrong” or “bad.”
Mis-
This suffix shows how something is done (like quickly).
-ly
This root means “earth.”
geo
Base word: view → Word that means “a way of looking at something.”
viewpoint
A word that means “heat measuring tool” (root: therm)