Acer vs dicot genus

Acer and dicot genus both are nouns.

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

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

Acer: type genus of the Aceraceae; trees or shrubs having winged fruit
dicot genus: genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination

Other hypernyms of Acer include magnoliopsid genus.

Acer (noun)	dicot genus (noun)
type genus of the Aceraceae; trees or shrubs having winged fruit	genus of flowering plants having two cotyledons (embryonic leaves) in the seed which usually appear at germination