aridity vs xerotes

aridity and xerotes both are nouns.

Word	Noun	Adjective	Verb	Adverb
aridity	Yes	No	No	No
xerotes	Yes	No	No	No

As nouns, xerotes is a hypernym of aridity; that is, xerotes is a word with a broader meaning than aridity:

aridity: a deficiency of moisture (especially when resulting from a permanent absence of rainfall)
xerotes: the condition of not containing or being covered by a liquid (especially water)

Other hypernyms of aridity include dryness, waterlessness.

aridity (noun)	xerotes (noun)
the quality of yielding nothing of value	the condition of not containing or being covered by a liquid (especially water)
a deficiency of moisture (especially when resulting from a permanent absence of rainfall)