Sporobolus vs monocot genus

Sporobolus and monocot genus both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sporobolus	Yes	No	No	No
monocot genus	Yes	No	No	No

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

Sporobolus: cosmopolitan annual and perennial grasses (as dropseed or rush grass)
monocot genus: genus of flowering plants having a single cotyledon (embryonic leaf) in the seed

Other hypernyms of Sporobolus include liliopsid genus.

Sporobolus (noun)	monocot genus (noun)
cosmopolitan annual and perennial grasses (as dropseed or rush grass)	genus of flowering plants having a single cotyledon (embryonic leaf) in the seed