nostril vs nose

nostril and nose both are nouns.

Word	Noun	Adjective	Verb	Adverb
nostril	Yes	No	No	No
nose	Yes	No	Yes	No

nostril (noun)	nose (noun)
either one of the two external openings to the nasal cavity in the nose	a front that resembles a human nose (especially the front of an aircraft)
	a projecting spout from which a fluid is discharged
	the front or forward projection of a tool or weapon
	the organ of smell and entrance to the respiratory tract; the prominent part of the face of man or other mammals
	the sense of smell (especially in animals)
	a natural skill
	a symbol of inquisitiveness
	a small distance

nostril (verb)	nose (verb)
	defeat by a narrow margin
	rub noses
	push or move with the nose
	advance the forward part of with caution
	search or inquire in a meddlesome way
	catch the scent of; get wind of