metronymic vs matronymic

metronymic and matronymic both are nouns.

Word	Noun	Adjective	Verb	Adverb
metronymic	Yes	No	No	No
matronymic	Yes	No	No	No

As nouns, metronymic and matronymic are synonyms defined as:

metronymic and matronymic: a name derived from the name of your mother or a maternal ancestor

metronymic (noun)	matronymic (noun)
a name derived from the name of your mother or a maternal ancestor	a name derived from the name of your mother or a maternal ancestor