dehydrate vs dry

dehydrate is not a noun while dry is a noun.

Word	Noun	Adjective	Verb	Adverb
dehydrate	No	No	Yes	No
dry	Yes	Yes	Yes	No

As verbs, dry is a hypernym of dehydrate; that is, dry is a word with a broader meaning than dehydrate:

Other hypernyms of dehydrate include dry out.

As verbs, dry is a hypernym of dehydrate; that is, dry is a word with a broader meaning than dehydrate:

Other hypernyms of dehydrate include dry out.

dehydrate (noun)	dry (noun)
	a reformer who opposes the use of intoxicating beverages

dehydrate (adjective)	dry (adjective)
	free from liquid or moisture; lacking natural or normal moisture or depleted of water; or no longer wet
	not producing milk
	(of liquor) having a low residual sugar content because of decomposition of sugar during fermentation
	opposed to or prohibiting the production and sale of alcoholic beverages
	lacking moisture or volatile components
	without a mucous or watery discharge
	having a large proportion of strong liquor
	humorously sarcastic or mocking
	practicing complete abstinence from alcoholic beverages
	used of solid substances in contrast with liquid ones
	not shedding tears
	lacking warmth or emotional involvement
	unproductive especially of the expected results
	lacking interest or stimulation; dull and lifeless
	(of food) eaten without a spread or sauce or other garnish
	having no adornment or coloration

dehydrate (verb)	dry (verb)
lose water or moisture	become dry or drier
remove water from	remove the moisture from and make dry
preserve by removing all water and liquids from