genus Clethra vs dicot genus

genus Clethra and dicot genus both are nouns.

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

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

genus Clethra: type and sole genus of the Clethraceae; deciduous shrubs or small trees: white alder, summer-sweet
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of genus Clethra include magnoliopsid genus.

genus Clethra (noun)	dicot genus (noun)
type and sole genus of the Clethraceae; deciduous shrubs or small trees: white alder, summer-sweet	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination