stare vs regard

stare and regard both are nouns.

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

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

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

stare (noun)	regard (noun)
a fixed look with eyes open wide	a long fixed look
	(usually preceded by `in') a detail or point
	paying particular notice (as to children or helpless people)
	an attitude of admiration or esteem
	(usually plural) a polite expression of desire for someone's welfare
	a feeling of friendship and esteem
	the condition of being honored (esteemed or respected or well regarded)

stare (verb)	regard (verb)
fixate one's eyes	deem to be
look at with fixed eyes	look at attentively
	connect closely and often incriminatingly