| arable | arable |
| Aracaju | Aracaju |
| Aracaldo | Arakaldo |
| Araceae | Araceae |
| Arachis | Arachis |
| Arachis hypogaea | Arachide |
| Arachne | Arachné |
| Arachnida | Arachnida |
| Aracne | Arachné |
| Aracosia | Arachosie |
| arada | labourage |
| arado | labouré |
| arado cincel | excavatrice |
| Arador de la sarna | Sarcoptes |
| Aragatsotn | Aragatsotn |
| Aragon | Aragon |
| aragonés | aragonais |
| Aragorn | Aragorn |
| Aragón | Communauté autonome d'Aragon |
| Arahuaco | Arawaks |
| Araiz | Araitz |
| Arakawa | Arakawa |
| Araks | Araxe |
| Arale Norimaki | Aralé |
| Arales | Arales |
| Aralia | Aralia |
| Araliaceae | Araliaceae |
| Aram | Aram |
| Aram Jachaturián | Aram Khatchatourian |
| Araman | Avathar |
| Aramayona | Aramaio |
| Arameos | Araméens |
| Aramis | Aramis |
| Aramon | Aramon |
| Aramus guarauna | Aramidae |
| Aramón Cerler | Aramón Cerler |
| Aramón Formigal | Aramón Formigal |
| Aramón Panticosa | Aramón Panticosa |
| Aranaz | Arantza |
| Aranc | Aranc |
| arancel | tarif |
| arancel aduanero | tarif douanier |
| Arancou | Arancou |
| Arancón | Arancón |
| Arandas | Arandas |
| arandela | rondelle |
| Arandillo | Phragmite aquatique |
| Araneae | Araignée |
| Araneomorphae | Araneomorphae |
| Aranjuez | Aranjuez |
| Aranno | Aranno |
| Arantxa Sánchez Vicario | Arantxa Sánchez Vicario |
| Aranuka | Aranuka |
| Aranés | Aranais |
| arao aliblanco | guillemot à miroir |
| Arapaho | Arapaho |
| Arapaima gigas | Arapaima gigas |
| Araquil | Arakil |
| arar | labourer |
| Ararat | Ararat |
| Arathorn II | Arathorn |
| Aratika | Aratika |
| Aratinga | Aratinga |
| Aratinga acuticaudata | Aratinga acuticaudata |
| Aratinga cactorum | Aratinga cactorum |
| Aratinga erythrogenys | Aratinga erythrogenys |
| Aratinga guarouba | Guaruba guarouba |
| Aratinga holochlora | Aratinga holochlora |
| Arato | Aratos de Soles |
| Arato de Sición | Aratos de Sicyone |
| Arauca | Arauca |
| Araucaria angustifolia | Pin du Paraná |
| Araucaria araucana | Araucaria du Chili |
| Araucaria heterophylla | Pin de Norfolk |
| Araucariaceae | Araucariaceae |
| Aravá | Arabah |
| araña | lustre |
| araña de jardín | épeire diadème |
| araña de luces | lustre |
| Araña de seda dorada | Néphila |
| Araña reclusa parda | Loxosceles reclusa |
| arañar | racler |
| arañas | araignée |
| arañazo | égratignure |
| arañero | fauvette |
| Arbaz | Arbaz |
| Arbedo-Castione | Arbedo-Castione |
| Arbellara | Arbellara |
| Arbignieu | Arbignieu |
| Arbil | Erbil |
| arbitraje | arbitrage |
| arbitrar | arbitrer |
