order Filicales vs Pteridaceae

order Filicales and Pteridaceae both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Filicales	Yes	No	No	No
Pteridaceae	Yes	No	No	No

order Filicales (noun)	Pteridaceae (noun)
true (leptosporangiate) ferns	one of a number of families into which the family Polypodiaceae has been subdivided in some classification systems; Pteridaceae is itself in turn sometimes further subdivided