Transcript Prefixes and Suffixes

What are they and why do we
need to know them?
Alnjah JHS
 Prefix
 Root
- beginning
– main word
 Suffix
- ending
Alnjah JHS
 What
is a root word?
• word you can add beginnings and ends to
 Why
look at root word?
• helps find meanings of words
Alnjah JHS

What is a prefix?
• word that has its own meaning
• add to change meaning of words
Alnjah JHS
 Prefix
 Meaning
 Example
• pre-
• before
• preschool
• un-
• not
• unhappy
• dis-
• not
• dislike
• re-
• again
• rewrite
• mis-
• not
• misunderstand
• im-
• not
• impossible
• super-
• large/ powerful
• supermarket
• under-
• lower
• underground
Alnjah JHS
 What
is a suffix?
• group of letters attached to ends of words
• can indicate what part of speech the word
belongs
• also changes meaning
Alnjah JHS
Suffix
Making
Example of
Original Word
Example of
Suffixed Word
prepare
preparation
divide
division
teach
teacher
-ness
kind
kindness
-ment
treat
treatment
-able
comfort
comfortable
-ous
danger
dangerous
act
active
-ful
help
helpful
-less
help
helpless
-y
ease
easy
memory
memorize
-tion
-sion
-er
-ive
-ize
noun
adjective
verb
Alnjah JHS
Alnjah JHS