genus Rumex vs dicot genus

genus Rumex and dicot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
genus Rumex	Yes	No	No	No
dicot genus	Yes	No	No	No

As nouns, dicot genus is a hypernym of genus Rumex; that is, dicot genus is a word with a broader meaning than genus Rumex:

genus Rumex: docks: coarse herbs and shrubs mainly native to north temperate regions
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of genus Rumex include magnoliopsid genus.

genus Rumex (noun)	dicot genus (noun)
docks: coarse herbs and shrubs mainly native to north temperate regions	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination