Question: words that are uncommonly used?
Answer: abide - put up with, tolerate; await; abjure - renounce, turn away from. abroad - in the open, at large. adamant - diamond, or (more generally) any very hard substance. afield - away, especially from home. aforetime - in earlier times. aghast - terrified, amazed. agin - a dialect word meaning "against", "next to"