| arbitrie | |
| arbitro | |
| aʼrbor | |
| árbor | |
| arborat | |
| arboratri | |
| arborelle | |
| arbust | |
| arbustallia | |
| arbuste | |
| arc | |
| arcabuse | |
| arcaic | |
| arcaism | |
| arcaisme | |
| arcan | |
| arch- | |
| archeologo | |
| archi- | |
| archi-angel | |
| archi-epíscop | |
| archipelag | |
| archipelago | |
| architecte | |
| architectura | |
| architrav | |
| archive | |
| arc-in-ciel | |
| arctic | |
| Arctica | |
| ardea | |
| ardent | |
| ardent cindre | |
| arder | |
| ardes-crayon | |
| ardese | |
| ardore | |
| ardosi | |
| area | |
| arena | |
| arenda | |
| arendar | |
| a rendir | |
| arest | |
| arestar | |
| areste | |
| argentar | |
| argente | |
| argenteríe | |
| argentero | |
| Interlingue |