matrisib vs matrikin

matrisib and matrikin both are nouns.

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

As nouns, matrisib and matrikin are synonyms defined as:

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

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