paternal vs parental

paternal and parental both are adjectives.

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

As adjectives, paternal and parental are synonyms defined as:

paternal and parental: relating to or characteristic of or befitting a parent

Other synonyms of paternal include maternal.

paternal (adjective)	parental (adjective)
characteristic of a father	relating to or characteristic of or befitting a parent
relating to or characteristic of or befitting a parent	designating the generation of organisms from which hybrid offspring are produced
belonging to or inherited from one's father
related on the father's side