Rosidae vs rosid dicot genus

Rosidae and rosid dicot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rosidae	Yes	No	No	No
rosid dicot genus	Yes	No	No	No

Rosidae (noun)	rosid dicot genus (noun)
a group of trees and shrubs and herbs mostly with polypetalous flowers; contains 108 families including Rosaceae, Crassulaceae, Myrtaceae, Melastomaceae, Euphorbiaceae, Umbelliferae	a genus of dicotyledonous plants