order Uredinales vs class Basidiomycetes

order Uredinales and class Basidiomycetes both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Uredinales	Yes	No	No	No
class Basidiomycetes	Yes	No	No	No

order Uredinales (noun)	class Basidiomycetes (noun)
rust fungi: parasitic fungi causing rust in plants; sometimes placed in	large class of higher fungi coextensive with subdivision Basidiomycota