Name _______________________________________

Lesson 5   Prefixes and roots


re+ cess + ion = recession       ex + hibit = exhibit
pro+ cess + ion = procession       in + hibit = inhibit
con+ cess + ion = concession       pro + hibit = prohibit
 
con+ stitut + ion = constitution   de+ject + ion = dejection
sub+ stitut + ion = substitution   re+ject + ion = rejection
in+ stitut + ion = institution   pro+ject + ion = projection
 
re+ flect + ion = reflection     per + suade = persuade
in+ flect + ion = inflection     dis + suade = dissuade
 
   per + spire = perspire     pre + sume = presume
   in + spire = inspire     con + sume = consume

TERMS TO KNOW:  A root is a word part that cannot stand alone. It must be joined to other word parts to form words.

Prefix+Root + Suffix=Word
re+flect+ion = reflection


1.Before the prefixes and suffixes are added, are the letter groups complete words?

__________

 
2.A __________ is a type of word part that must be joined to other word parts to form complete words.
 
3.How many different roots appear in the word list?  __________

How many words are formed from these roots?  __________

 
4. Do rejection, dejection, and projection have the same root?  __________

Do they have the same meaning?  __________


Lesson Generalization
A root can be joined with many different prefixes. Changing the prefix forms a new word with a different meaning.

The root ject means "to throw."

deject = to throw down, depress
reject = to throw back
project = to throw forth or forward


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