dehydration vs xerotes

dehydration and xerotes both are nouns.

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

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

dehydration: dryness resulting from the removal of water
xerotes: the condition of not containing or being covered by a liquid (especially water)

Other hypernyms of dehydration include dryness, waterlessness.

dehydration (noun)	xerotes (noun)
the process of extracting moisture	the condition of not containing or being covered by a liquid (especially water)
dryness resulting from the removal of water
depletion of bodily fluids