Prefix Lesson 1
Part 1
Directions: Copy the chart below. Then, fill in the related words using a dictionary. Be sure to
include the part of speech and definition for each of the words you select.
Prefix Definition
sub- below/under
Related Words
subway (noun) – an underground electric railroad, usually in
a large city
com- with/together
companion (noun) – a person who is frequently in the company
of, associates with, or accompanies another
pro- for/forward/in favor
of
en- causing something to
happen
de- to take away
propel (verb) – to drive, or cause to move, forward or onward
enforce (verb) – to put or keep in force
defrost (verb) – to remove the frost or ice from
Part 2
Directions: Using the prefixes above and the definitions that we determined as a class, create
a set of flash cards. On the front, you will write the prefix, and on the back you will neatly
write the definition.
Part 3
Directions: Using your dictionary and your prior knowledge, record two words that contain the
root. You must also include the part of speech and the definition for each word and check to be
sure that the word does, in fact, reflect your root. List those words and their definitions below.
(15 points)
Prefix First Word with Definition and Part
of Speech
subcomproende-
Second Word with Definition and Part of
Speech