order Polypodiales vs order Filicales

order Polypodiales and order Filicales both are nouns.

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

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

Other synonyms of order Polypodiales include Filicales, Polypodiales.

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