patrikin vs patrilineal sib

patrikin and patrilineal sib both are nouns.

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

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

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

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