patrilineal sib vs patrilineal kin

patrilineal sib and patrilineal kin both are nouns.

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

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

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

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