| adulterare | manosear |
| adulteratore | adulterador |
| adulteratrice | adulteradora |
| adulterazione | adulteración |
| adulterio | adulterio |
| adultero | adúltero |
| adulto | crecer |
| adunanza | convocatoria |
| adunare | llamar |
| adunarsi | encontrarse |
| Advance Australia Fair | Advance Australia Fair |
| Advanced Access Content System | Advanced Access Content System |
| Advanced Audio Coding | Advanced Audio Coding |
| Advanced Configuration and Power Interface | Advanced Configuration and Power Interface |
| Advanced Encryption Standard | Advanced Encryption Standard |
| Advanced Linux Sound Architecture | Arquitectura de Sonido Avanzada para Linux |
| Advanced Micro Devices | Advanced Micro Devices |
| Advanced Packaging Tool | Advanced Packaging Tool |
| Advanced Systems Format | Advanced Streaming Format |
| Advanced Technology Attachment | Integrated Drive Electronics |
| Advergame | Advergaming |
| Adware | Adware |
| Adyton | Ádyton |
| Adûnaico | Adunaico |
| Adıyaman | Provincia de Adiyaman |
| AE | Aerosol |
| AE Larissa | AE Larisa |
| Aechmea | Aechmea |
| Aechmophorus occidentalis | Aechmophorus occidentalis |
| Aede | Aedea |
| Aedermannsdorf | Aedermannsdorf |
| Aedes aegypti | Stegomyia aegypti |
| Aedes albopictus | Aedes albopictus |
| Aedone | Aedón |
| Aefligen | Aefligen |
| AEG | AEG |
| AEGEE | AEGEE |
| Aegerten | Aegerten |
| Aegidienberg | Aquisgrán |
| Aegithalos caudatus | Aegithalos caudatus |
| Aegithina | Aegithinidae |
| Aegolius funereus | Aegolius funereus |
| Aegukga | Aegukka |
| Aegypiinae | Aegypiinae |
| Aegypius monachus | Aegypius monachus |
| Aegyptosaurus baharijensis | Aegyptosaurus |
| Aegyptus | Egipto |
| AEK | AEK Atenas |
| AEK Atene | AEK Atenas |
| Aelfwine di Deira | Aelfwino de Deira |
| Aelita | Aelita |
| Aella | Aelo |
| Aella di Deira | Aella de Deira |
| Aeolosaurus rionegrinus | Aeolosaurus |
| Aepisaurus elephantinus | Aepisaurus |
| Aepycamelus | Aepycamelus |
| Aepyceros melampus | Aepyceros melampus |
| Aepyornis | Aepyornithidae |
| Aepyornis maximus | Aepyornis |
| Aer Lingus | Aer Lingus |
| aerare | airear |
| aerato | aireado |
