- Arctangent Subst. Adj.
- Arctation Subst.
- Arctic Adj. Eigenn.
- Arcticized Part. Perf.
- Arcturus Eigenn.
- Arcual Adj.
- Arcuate Adj. Verb
- Arcuated Adj. Part. Perf.
- Arcuation Subst.
- Arcwise Adv. Adj.
- Ardency Subst.
- Ardennes Subst. Eigenn. Adj.
- Ardennite Subst. Adj.
- Ardent Adj. Subst.
- Ardently Adv.
- Ardentness Subst.
- Ardometer Subst.
- Ardor Subst.
- Ardour Subst. Eigenn.
- Arduous Adj.
- Arduously Adv.
- Arduousness Subst.
- Area Subst. Adj.
- Area-wide Adj. Adv.
- Areactive Adj.
- Areal Adj.
- Areally Adv.
- Areata Subst.
- Areaway Subst. Adj.
- Areawide Adj. Adv.
- Arecibo Subst. Eigenn. Adj.
- Areflexia Subst.
- Areligious Adj.
- Arena Subst. Adj.
- Arenaceous Adj.
- Arenaria Subst. Eigenn.
- Arenarious Adj.
- Arenation Subst.
- Arenavirus Subst. Adj.
- Arendal Subst. Eigenn. Adj.
- Arene Subst. Adj.
- Arenicolous Adj.
- Arenite Subst. Adj.
- Arenose Adj.
- Areocentric Adj.
- Areographic Adj.
- Areography Subst.
- Areoid Adj. Subst.
- Areola Subst.
- Areolar Adj.
- Areole Subst.
- Areology Subst.
- Areometer Subst. Adj.
- Areometric Adj.
- Areometry Subst.
- Areopagus Subst. Eigenn.
- Areopycnometer Subst. Adj.
- Areostyle Subst. Adj.
- Arequipa Subst. Eigenn.
- Arete Subst. Eigenn.