hydrate vs monohydrate

hydrate and monohydrate both are nouns.

Word	Noun	Adjective	Verb	Adverb
hydrate	Yes	No	Yes	No
monohydrate	Yes	No	No	No

As nouns, monohydrate is a hyponym of hydrate; that is, monohydrate is a word with a more specific, narrower meaning than hydrate:

hydrate: any compound that contains water of crystallization
monohydrate: a hydrate that contains one molecule of water per molecule of the compound

hydrate (noun)	monohydrate (noun)
any compound that contains water of crystallization	a hydrate that contains one molecule of water per molecule of the compound

hydrate (verb)	monohydrate (verb)
cause to be hydrated; add water or moisture to
become hydrated and combine with water
supply water or liquid to in order to maintain a healthy balance