matrikin vs matrisib

matrikin and matrisib both are nouns.

Word	Noun	Adjective	Verb	Adverb
matrikin	Yes	No	No	No
matrisib	Yes	No	No	No

As nouns, matrikin and matrisib are synonyms defined as:

Other synonyms of matrikin include enate, matrilineal kin, matrilineal sib.

matrikin (noun)	matrisib (noun)
one related on the mother's side	one related on the mother's side