- Archetypal Adj.
- Archetype Subst. Verb Adj.
- Archetypic Adj.
- Archetypical Adj.
- Archetypist Subst. Adj.
- Archfiend Subst. Adj.
- Archfounder Subst. Adj.
- Archibenthic Adj.
- Archidiaconal Adj.
- Archie Eigenn. Adj.
- Archiepiscopal Adj.
- Archimedean Adj. Subst.
- Archipelagic Adj.
- Archipelago Subst. Adj.
- Architect Subst. Verb Adj.
- Architectonic Adj. Subst.
- Architectural Adj.
- Architecture Subst. Adj.
- Architrave Subst. Adj.
- Archival Adj.
- Archive Subst. Verb Adj.
- Archived Adj.
- Archiver Subst. Adj.
- Archivolt Subst. Adj.
- Archosaur Subst. Adj.
- Archpriest Subst. Adj.
- Archtraitor Subst. Adj.
- Archway Subst. Adj. Eigenn.
- Archwise Adv. Adj.
- Arciform Adj.
- Arcjet Subst. Adj.
- Arcless Adj.
- Arclike Adj. Adv.
- Arcology Subst. Adj.
- Arcquenching Subst. Adj.
- Arcsine Subst. Adj.
- Arctan Subst. Adj.
- Arctangent Subst. Adj.
- Arctic Adj. Eigenn.
- Arcual Adj.
- Arcuate Adj. Verb
- Arcuated Adj. Part. Perf.
- Arcwise Adv. Adj.
- Ardennes Subst. Eigenn. Adj.
- Ardennite Subst. Adj.
- Ardent Adj. Subst.
- Arduous Adj.
- Area Subst. Adj.
- Area-wide Adj. Adv.
- Areactive Adj.
- Areal Adj.
- Areaway Subst. Adj.
- Areawide Adj. Adv.
- Arecibo Subst. Eigenn. Adj.
- Areligious Adj.
- Arena Subst. Adj.
- Arenaceous Adj.
- Arenarious Adj.
- Arenavirus Subst. Adj.
- Arendal Subst. Eigenn. Adj.