magnoliid dicot genus vs Magnoliidae

magnoliid dicot genus and Magnoliidae both are nouns.

Word	Noun	Adjective	Verb	Adverb
magnoliid dicot genus	Yes	No	No	No
Magnoliidae	Yes	No	No	No

magnoliid dicot genus (noun)	Magnoliidae (noun)
genus of dicotyledonous flowering plants regarded as among the most primitive of extant angiosperms	a group of families of trees and shrubs and herbs having well-developed perianths and apocarpous ovaries and generally regarded as the most primitive extant flowering plants; contains 36 families including Magnoliaceae and Ranunculaceae; sometimes classified as a superorder