paternal vs paternity

paternal is not a noun while paternity is a noun.

Word	Noun	Adjective	Verb	Adverb
paternal	No	Yes	No	No
paternity	Yes	No	No	No

paternal (noun)	paternity (noun)
	the act of initiating a new idea or theory or writing
	the kinship relation between an offspring and the father
	the state of being a father

paternal (adjective)	paternity (adjective)
characteristic of a father
relating to or characteristic of or befitting a parent
belonging to or inherited from one's father
related on the father's side