stare vs glower

stare and glower both are nouns.

Word	Noun	Adjective	Verb	Adverb
stare	Yes	No	Yes	No
glower	Yes	No	Yes	No

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

Other hyponyms of stare include gaze, regard, glare, contemplation, gape.

As verbs, glower is a hyponym of stare; that is, glower is a word with a more specific, narrower meaning than stare:

Other hyponyms of stare include glare.

stare (noun)	glower (noun)
a fixed look with eyes open wide	an angry stare

stare (verb)	glower (verb)
fixate one's eyes	look angry or sullen, wrinkle one's forehead, as if to signal disapproval
look at with fixed eyes	look at with a fixed gaze