Agaricales vs fungus order

Agaricales and fungus order both are nouns.

Word	Noun	Adjective	Verb	Adverb
Agaricales	Yes	No	No	No
fungus order	Yes	No	No	No

As nouns, fungus order is a hypernym of Agaricales; that is, fungus order is a word with a broader meaning than Agaricales:

Agaricales: typical gilled mushrooms belonging to the subdivision Basidiomycota
fungus order: the order of fungi

Agaricales (noun)	fungus order (noun)
typical gilled mushrooms belonging to the subdivision Basidiomycota	the order of fungi