water stoma vs water pore

water stoma and water pore both are nouns.

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

As nouns, water stoma and water pore are synonyms defined as:

water stoma and water pore: a pore that exudes water on the surface or margin of a leaf of higher plants

Other synonyms of water stoma include hydathode.

water stoma (noun)	water pore (noun)
a pore that exudes water on the surface or margin of a leaf of higher plants	a pore that exudes water on the surface or margin of a leaf of higher plants