patrisib vs patrilineal sib

patrisib and patrilineal sib both are nouns.

Word	Noun	Adjective	Verb	Adverb
patrisib	Yes	No	No	No
patrilineal sib	Yes	No	No	No

As nouns, patrisib and patrilineal sib are synonyms defined as:

Other synonyms of patrisib include agnate, patrikin, patrilineal kin.

patrisib (noun)	patrilineal sib (noun)
one related on the father's side	one related on the father's side