| axle-load signal | Achslastsignal |
| axle-load transfer | Achslastverlagerung |
| axle-pivot | Achsschenkel |
| axlebox guide | Achslagerführung |
| axles | Radachsen |
| axles of a buzz saw | Kreissägewellen |
| axles of a circular saw | Kreissägewellen |
| axletree | Wagenachse |
| Axminster carpet | Axminster |
| Axminster loom | Axminster-Webstuhl |
| axolotl | Axolotl |
| Axon | Axon |
| axon hillock | Axonhügel |
| axonal polyneuropathy | axonale Polyneuropathie |
| Axonometric projection | Axonometrie |
| axtiveX | ActiveX |
| Axum | Aksum |
| Axumite Kingdom | Aksum |
| Axé music | Axé |
| Ay | Jawohl! |
| ay sth. first for sth. to repeat | jdm. etw. vorsagen |
| Aya Sugimoto | Sugimoto Aya |
| Aya Ueto | Aya Ueto |
| Ayaan Hirsi Ali | Ayaan Hirsi Ali |
| Ayabaca Province | Ayabaca |
| Ayacucho | Ayacucho |
| Ayacucho Partido | Ayacucho |
| Ayacucho Quechua | Chanka-Quechua |
| Ayacucho Region | Ayacucho |
| Ayad Allawi | Iyad Allawi |
| ayah | Aja |
| Ayahuasca | Ayahuasca |
| Ayamonte | Ayamonte |
| ayatollah | Ajatollah |
| Ayatollah Mohammad Beheshti | Mohammed Beheschti |
| Aybak | Aybak |
| Aydin Province | Aydın |
| Aydın | Aydın |
| Aydın Province | Aydın |
| aye | gewiss |
| Aye! | Ja! |
| aye-aye | Fingertier |
| Aye-aye, Sir! | Jawohl! |
| Ayen | Ayen |
| Ayent | Ayent VS |
| Ayerbe | Ayerbe |
| ayes | Ja-Stimmen |
| Ayeyarwady | Ayeyarwady |
| Ayeyarwady Division | Irawadi-Division |
| Ayeyarwady River | Irrawaddy |
| Ayia Napa | Agia Napa |
| Ayin | Ajin |
| Aying | Aying |
| Aylesbury | Aylesbury |
| Aylesford | Aylesford |
| Ayman al-Zawahiri | Aiman az-Zawahiri |
| Ayman Nour | Aiman Nur |
| Aymara | Aymara |
| Aymara ethnic group | Aymara |
| Aymara language | Aymara |
| Aymara parakeet | Aymarasittich |
| Aymaran languages | Aru-Sprachen |
| Ayn Rand | Ayn Rand |
| Aynu | Aynu |
| Ayodhya | Ayodhya |
| Ayon Island | Aion-Insel |
| AYOR : at your own risk | auf eigene Gefahr |
| Ayr | Ayr |
| Ayran | Ayran |
| ayres' hawk eagle | Fleckenadler |
| Ayres' hawk-eagle | Fleckenadler |
| Ayrie | Nest |
| Ayrshire | Ayrshire |
| Ayrshire cattle | Ayrshire-Rind |
| Ayrton Senna | Ayrton Senna |
| Ayrton shunt | Ayrton-Nebenwiderstand |
