AMBI-: (both)

1
AMBI- (both)

• ambidextrous skillful with both hands

2
ANTE- before

• antebellum existing before a war

3
ANTI- opposing, opposite

• antihero a character lacking traditional heroic
  qualities

4
AB- away from

• abduct kidnap

5
BI- two

• biped creature having two feet

6
CIRCUM- around

• circumscribe draw a line around

7
ANIM mind, soul

• animosity bitter hostility

8
ANTHROP man

• anthropology study of man

9
DE- (down, away)

• deport expel from a country

10
DIA- across

• diagonal across a figure

11
AUTO- self, same

• autodidact self-taught person

12
CATA- down

• cataract waterfall

13
DICT- to say

• diction clarity of pronunciation

14
DIS- not

• discord lack of agreement or harmony

15
EX- out

• extirpate to remove or cut out

16
TRANS- across, beyond

• transit passing across

17
SEMI- half or partial

• semicircle half a circle

18
pre- before

• predecessor something that precedes another

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POST- after

• postmortem occurring after death

20
INTRA- within

• intramural within a school