| A | B |
| a, ab | from, by |
| absum | be absent, be away |
| ac, atque | and |
| accido | happen |
| accipio | accept, receive, take in, hear |
| acer | keen |
| acies | battle line |
| ad | to, towards, at |
| addo | add, join |
| adeo | so much, so greatly, to such an extent |
| adhuc | still, till now |
| adimo | take away |
| adipiscor | obtain |
| adiuvo | help |
| adsum | be here |
| adulescens | youth |
| advenio | arrive |
| adversus +acc | against, uphil |
| adversus | against, opposite |
| aedificium | building |
| aedifico | build |
| aequus | calm, fair, equal, favourable |
| ager | field |
| aggredior | attack |
| agmen | column of men |
| ago | do, act, drive |
| gratias ago | thank, give thanks |
| aliquis | something, someone, anything, anyone |
| alius | other, another, else, one |
| alii...alii | some...others |
| alter | the other |
| altus | high, deep |
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