patrikin vs patrisib

patrikin and patrisib both are nouns.

Word	Noun	Adjective	Verb	Adverb
patrikin	Yes	No	No	No
patrisib	Yes	No	No	No

As nouns, patrikin and patrisib are synonyms defined as:

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

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