patrilineal sib vs patrisib

patrilineal sib and patrisib both are nouns.

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

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

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

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