stank vs olfactory perception

stank and olfactory perception both are nouns.

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

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

stank: A smell of genitals or sex
olfactory perception: the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form

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

stank (noun)	olfactory perception (noun)
A smell of genitals or sex	the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form