Root Words, Prefixes and Suffixes
Written by: Gretchen Nye, Lindsay Jones, Brittany Klopfer, Emily Sammons
Illustrated by: Gretchen Nye, Lindsay Jones, Brittany Klopfer, Emily Sammons
Grade Level(s): 2 Content Area: English/Language Arts
Root word- the base form of a word
EXAMPLES: unzip, actor, prepare
Prefix- To put or attach before or in front of a root word.
EXAMPLES- unzip, redo, prepare
Suffix- added to the end of a word to change meaning
EXAMPLES- loved, actor, basement
Let's watch a short video that puts it all together!
Let's add some prefixes to root words using un-, re-, and pre-!
The prefix un added to the beginning of a word changes the meaning of the root word to mean non or not.
Unzip- un changes the meaning of the root word zip to mean no longer zipped
Undone- un changes the meaning of the root word done to mean not done
undress- un changes the meaning of the root word dress to mean not dress
The prefix re means back or again and changes the meaning of the root word when added to the beginning.
Redo- re added to the beginning of the root word do means to do again
React- re added to the front of the root word changes the meaning of the word to act in response to something
Restore- re added to the beginning of the root word changes the meaning to bring back something to its orginal use or purpose
The prefix pre attaches the meaning before to a root word.
Predetermine- the prefix pre makes the word determine to mean in advance.
Predict- the prefix pre makes the word mean to declare or tell in advance.
Preexist- the prefix pre makes the word exit to mean existing before something.
Let's add some suffixes to root words using -ed, -or/er, -ment!
The suffix ed adds the meaning of past to a root word.
Played- the suffix ed makes play past tense.
Looked- the suffix ed makes look past tense.
Walked- the suffix ed makes walk past tense.
The suffix or/er is added to a root word when forming nouns. It designates persons from objects of their labor or occupation.
learner- the suffix er added to learn changes the root word learn to someone who learns
instructor-the suffix or added to instruct changes the root word instruct to someone who instructs
designer-the suffix er added to design changes the root word design to someone who designs
The suffix ment is added to a root word when forming verbs. It means the act of or result.
Encouragement- the suffix ment added to encourage changes the root word encourage to the act of encouraging
Advisement- the suffix ment added to advise changes the meaning of the root word to the act of advising
Agreement- the suffix ment added to agree changes the root word to mean the result of agreeing to something
Now let's put what we've learned together!
For the root word port which of the following prefixes could be added to the front to make a new word?
If you said the prefix re- added to the root word port makes a word, you're right!
For the root word great which of the following suffixes could be added to the end to make a new word?
If you said the suffix -er added to the root word great makes a word, you're correct!
Now let's add both a prefix and a suffix to the root word finish to create a new word. Select a prefix and a suffix from the list below.
If you said unfinished, you're a genius!
For some extra practice adding prefixes and suffixes to root words, click below: