congenerical vs congener

congenerical is not a noun while congener is a noun.

Word	Noun	Adjective	Verb	Adverb
congenerical	No	Yes	No	No
congener	Yes	No	No	No

congenerical (noun)	congener (noun)
	a whole (a thing or person) of the same kind or category as another
	an animal or plant that bears a relationship to another (as related by common descent or by membership in the same genus)
	a minor chemical constituent that gives a wine or liquor its distinctive character

congenerical (adjective)	congener (adjective)
belonging to the same genus