| A | B |
| a or an | not, without |
| a | on |
| a, ab/s | from, away, off |
| a/c/d | to, toward, near |
| acro | top, height, tip, beginning |
| act | do |
| aer/o | air |
| agr/i/o | farming |
| alg/o | pain |
| ambi, amphi | both, on both sides, around |
| ambul | walk, move |
| ami/o | love |
| ana | up, back, against, again, throughout |
| andr/o | man, male |
| anim | life, spirit |
| ann/enn | year |
| ante | before, in front |
| anth/o | flower |
| anthrop/o | human |
| anti | against, opposite of |
| apo/apho | away, off, separate |
| aqu/a | water |
| arbor | tree |
| arch/i | chief, most important, rule |
| arch/a/i | primitive, ancient |
| arthr/o | joint |
| art | skill |
| astro, aster | star, stars, outer space |
| aud/i/io | hear |
| auto | self, same, one |
| avi/a | bird |
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