olfactory organ vs human face

olfactory organ and human face both are nouns.

Word	Noun	Adjective	Verb	Adverb
olfactory organ	Yes	No	No	No
human face	Yes	No	No	No

olfactory organ (noun)	human face (noun)
the organ of smell and entrance to the respiratory tract; the prominent part of the face of man or other mammals	the front of the human head from the forehead to the chin and ear to ear