| assure | asegurar |
| assured | confiado |
| assuredly | decididamente |
| assuredness | certidumbre |
| assures | asegurado |
| assurgent | ascendente |
| Asswiller | Asswiller |
| Assyria | Asiria |
| Assyrian | Asirio |
| Assyrian Church of the East | Iglesia Asiria de Oriente |
| Assyrian empire | Asiria |
| Assyrian Neo-Aramaic | Neoarameo asirio |
| Asta | Subasta |
| Astacidea | Cáncer |
| Astaillac | Astaillac |
| Astakos | Ástaco |
| Astana | Astaná |
| Astana International Airport | Aeropuerto de Astaná |
| Astana Team | Team Astaná |
| Astano | Astano |
| Astaroth | Astaroth |
| Astarte | Astarté |
| astatine | astato |
| Astaxanthin | Astaxantina |
| Asteliaceae | Asteliaceae |
| Astenosphere | Astenosfera |
| aster | aster |
| aster family | Asteráceas |
| Asteraceae | Asteráceas |
| Asterales | Asterales |
| Asteridae | Asteridae |
| Asterion | Asterión |
| asterisk | asterisco |
| Asterix | Astérix el Galo |
| Asterix and Cleopatra | Astérix y Cleopatra |
| Asterix and the Banquet | La vuelta a la Galia de Astérix |
| Asterix and the Big Fight | Astérix el Galo - El combate de los jefes |
| Asterix and the Black Gold | Astérix el Galo - La odisea de Astérix |
| Asterix and the Cauldron | Astérix y el caldero |
| Asterix and the Golden Sickle | La hoz de oro |
| Asterix and the Goths | Astérix el Galo - Astérix y los godos |
| Asterix and the Great Divide | Astérix el Galo - La gran zanja |
| Asterix and the Laurel Wreath | Los laureles del César |
| Asterix and the Normans | Astérix el Galo - Astérix y los normandos |
| Asterix and the Roman Agent | La cizaña |
| Asterix and the Soothsayer | El adivino |
| Asterix and the Vikings | Astérix y los vikingos |
| Asterix at the Olympic Games | Astérix en los Juegos Olímpicos |
| Asterix in Belgium | Astérix el Galo - Astérix en Bélgica |
| Asterix in Britain | Astérix el Galo - Astérix en Bretaña |
| Asterix in Corsica | Astérix en Córcega |
| Asterix in Spain | Astérix en Hispania |
| Asterix in Switzerland | Astérix en Helvecia |
| Asterix the Gaul | Astérix el Galo |
| Asterix the Gladiator | Astérix gladiador |
| Asterix the Legionary | Astérix legionario |
| Asterixis | Asterixis |
| astern | a popa |
| asteroid | asteroide |
| Asteroid belt | Cinturón de asteroides |
| Asteroid moon | Luna asteroidal |
| Asteroideae | Asteroideae |
| Asterope | Estérope |
| Asteroseismology | Astrosismología |
| asthenosphere | astenosfera |
| asthma | asma |
