Polypodiales vs order Filicales

Polypodiales and order Filicales both are nouns.

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

As nouns, Polypodiales and order Filicales are synonyms defined as:

Other synonyms of Polypodiales include Filicales, order Polypodiales.

Polypodiales (noun)	order Filicales (noun)
true (leptosporangiate) ferns	true (leptosporangiate) ferns