| Vocable | Translation |
| aperculum, aperculi [n.] O Noun | can-opener |
| aperitio, aperitionis [f.] C Noun | opening, aperture |
| aperito, aperitonis [f.] C Noun | opening, revelation/disclosure |
| apertio, apertionis [f.] C Noun | opening, act of making (building, etc.) accessibl… |
| apertor, apertoris [m.] C Noun | he who opens/begins, opener |
| apertum, aperti [n.] O Noun | area free from obstacles, open/exposed space, the… |
| apertura, aperturae [f.] A Noun | act of opening, opening (will), an opening, apert… |
| apes, apis [f.] C Noun | bee, swarm regarded as a portent |
| apex, apicis [m.] C Noun | point, top, summit, cap, crown, conical priest ca… |
| apexabo, apexabonis [m.] C Noun | kind of sausage |
| aphaca, aphacae [f.] A Noun | kind of vetch/tare, pulse, field/chick peas (Lath… |
| aphaerema, aphaerematis [n.] C Noun | spelt bran, grits, sharps |
| aphaeresis, aphaeresis [f.] M Noun | dropping a letter or syllable at the beginning of… |
| aphorisma, aphorismae [f.] A Noun | aphorism, pithy sentence |
| aphorismus, aphorismi [m.] O Noun | aphorism |
| aphractum, aphracti [n.] O Noun | undecked boat, open ship |
| aphractus, aphracti [f.] O Noun | undecked boat, open ship |
| aphrodisiaca, aphrodisiacae [f.] A Noun | unknown precious stone (reddish-white L+S) |
| aphronitrum, aphronitri [n.] O Noun | sodium carbonate, washing soda, spuma nitri, effl… |
| aphtha, aphthae [f.] A Noun | parasitic stomatitis, thrush, aphthous ulcers (pl… |
| aphya, aphyae [f.] A Noun | small fish (regarded by Pliny as a separate speci… |
| apiana, apianae [f.] A Noun | chamomile |
| apiarium, apiarii [n.] O Noun | apiary, bee-house, beehive |
| apiarius, apiarii [m.] O Noun | beekeeper |
| apiastellum, apiastelli [n.] O Noun | plant, batrachior or herba scelerata, bryonia |
| apiastra, apiastrae [f.] A Noun | bee-eater, bird that lies in wait for bees |
| apiastrum, apiastri [n.] O Noun | one or more varieties of balm (plant of which bee… |
| apica, apicae [f.] A Noun | sheep with no wool on its belly |
| apicula, apiculae [f.] A Noun | little bee |
| apina, apinae [f.] A Noun | trifles (pl.), nonsense |