human vs human face

human and human face both are nouns.

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

human (noun)	human face (noun)
any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage	the front of the human head from the forehead to the chin and ear to ear

human (adjective)	human face (adjective)
having human form or attributes as opposed to those of animals or divine beings
characteristic of humanity
relating to a person