human vs imperfect

human and imperfect both are nouns.

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

human (noun)	imperfect (noun)
any living or extinct member of the family Hominidae characterized by superior intelligence, articulate speech, and erect carriage	a tense of verbs used in describing action that is on-going

human (adjective)	imperfect (adjective)
having human form or attributes as opposed to those of animals or divine beings	not perfect; defective or inadequate
characteristic of humanity	wanting in moral strength, courage, or will; having the attributes of man as opposed to e.g. divine beings
relating to a person