olfactory sensation vs olfactory perception

olfactory sensation and olfactory perception both are nouns.

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

As nouns, olfactory sensation and olfactory perception are synonyms defined as:

olfactory sensation and olfactory perception: the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form

Other synonyms of olfactory sensation include odor, odour, smell.

olfactory sensation (noun)	olfactory perception (noun)
the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form	the sensation that results when olfactory receptors in the nose are stimulated by particular chemicals in gaseous form