strange vs unfamiliarity

strange is not a noun while unfamiliarity is a noun.

Word	Noun	Adjective	Verb	Adverb
strange	No	Yes	No	No
unfamiliarity	Yes	No	No	No

strange (noun)	unfamiliarity (noun)
	unusualness as a consequence of not being well known

strange (adjective)	unfamiliarity (adjective)
being definitely out of the ordinary and unexpected; slightly odd or even a bit weird
relating to or originating in or characteristic of another place or part of the world
not known before