stomate vs hydathode

stomate and hydathode both are nouns.

Word	Noun	Adjective	Verb	Adverb
stomate	Yes	No	No	No
hydathode	Yes	No	No	No

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

stomate: a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
hydathode: a pore that exudes water on the surface or margin of a leaf of higher plants

Other hyponyms of stomate include germ pore, water pore, water stoma, lenticel.

stomate (noun)	hydathode (noun)
a minute epidermal pore in a leaf or stem through which gases and water vapor can pass	a pore that exudes water on the surface or margin of a leaf of higher plants