scent vs olfactory perception

scent and olfactory perception both are nouns.

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

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

scent: an odor left in passing by which a person or animal can be traced
olfactory perception: the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form

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

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

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

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

scent (noun)	olfactory perception (noun)
any property detected by the olfactory system	the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form
an odor left in passing by which a person or animal can be traced
a distinctive odor that is pleasant