pore vs water stoma

pore and water stoma both are nouns.

Word	Noun	Adjective	Verb	Adverb
pore	Yes	No	Yes	No
water stoma	Yes	No	No	No

As nouns, water stoma is a hyponym of pore; that is, water stoma is a word with a more specific, narrower meaning than pore:

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

Other hyponyms of pore include germ pore, hydathode, water pore, lenticel.

pore (noun)	water stoma (noun)
any small opening in the skin or outer surface of an animal	a pore that exudes water on the surface or margin of a leaf of higher plants
a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
any tiny hole admitting passage of a liquid (fluid or gas)

pore (verb)	water stoma (verb)
direct one's attention on something