re-
un-
dis-
mis-
pre-
100

To build again.

rebuild

100

not even

uneven

100

to not like something

dislike 

100

to spell incorrectly.

to spell incorrectly.

100

of, relating to, or intended for a child between infancy and school age:

preschool


200

to copy something again

recopy

200

not equal

unequal

200

the opposite of appear

disappear

200

to treat badly or abusively.

mistreat

200

a measure taken in advance to avert possible evil or to secure good results.

caution employed beforehand; prudent foresight.

precaution

300

to take something again

retake

300

not happy

unhappy

300

not loyal

disloyal

300

to match badly or unsuitably.

a bad or unsatisfactory match.

mismatch


300

 an affix placed before a word, base, or another prefix to modify a term's meaning

prefix

400

to use something again

recycle

400

not kind

unkind

400

opposite of honest

dishonest

400

to behave badly or improperly

to conduct (oneself) without regard for good manners or accepted moral standards:

misbehave

400

an earlier or previous view.

an advance showing of a motion picture, play, etc., before its public opening.

an advance showing of brief scenes in a motion picture, television show, etc., for purposes of advertisement.

preview

500

to tell something again

retell

500

to not be selfish

unselfish

500

not able

disable

500

to judge, estimate, or value wrongly or unjustly.

misjudge

500

occurring, coming, or done too soon:

premature