stink vs olfactory perception

stink and olfactory perception both are nouns.

Word	Noun	Adjective	Verb	Adverb
stink	Yes	No	Yes	No
olfactory perception	Yes	No	No	No

As nouns, olfactory perception is a hypernym of stink; that is, olfactory perception is a word with a broader meaning than stink:

stink: a distinctive odor that is offensively unpleasant
olfactory perception: the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form

Other hypernyms of stink include odor, odour, olfactory sensation, smell.

stink (noun)	olfactory perception (noun)
a distinctive odor that is offensively unpleasant	the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form

stink (verb)	olfactory perception (verb)
smell badly and offensively
be extremely bad in quality or in one's performance