Prefixes:

Question 1

a-, an-

Answer 1

Without, no, not

Question 2

ab-

Answer 2

away from

Question 3

ad-

Answer 3

near, toward

Question 4

af-

Answer 4

toward

Question 5

ana-

Answer 5

up, apart

Question 6

ante-

Answer 6

before, forward, in front of

Question 7

anti-

Answer 7

aganist

Question 8

bi-

Answer 8

Two, both

Question 9

brady-

Answer 9

Slow

Question 10

con-

Answer 10

together, with

Question 11

contra-

Answer 11

opposite

Question 12

dia-

Answer 12

complete through

Question 13

dys-

Answer 13

difficult, painful, abnormal, bad

Question 14

ec-

Answer 14

outside, out

Question 15

echo-

Answer 15

using ultrasonic waves

Question 16

ef-

Answer 16

away from

Question 17

electro-

Answer 17

using electricity

Question 18

end- endo-

Answer 18

in, inner, within

Question 19

epi-

Answer 19

above, upon

Question 20

ex-

Answer 20

out

Question 21

extra-

Answer 21

outside of

Question 22

hemi-

Answer 22

half

Question 23

hyper-

Answer 23

excessive, too much, above

Question 24

hypo-

Answer 24

deficit, too little, below

Question 25

in-

Answer 25

into, in

Question 26

inter-

Answer 26

Between