Naiadales vs order Alismales

Naiadales and order Alismales both are nouns.

Word	Noun	Adjective	Verb	Adverb
Naiadales	Yes	No	No	No
order Alismales	Yes	No	No	No

As nouns, Naiadales and order Alismales are synonyms defined as:

Naiadales and order Alismales: an order of aquatic monocotyledonous herbaceous plants

Other synonyms of Naiadales include Alismales, order Naiadales.

Naiadales (noun)	order Alismales (noun)
an order of aquatic monocotyledonous herbaceous plants	an order of aquatic monocotyledonous herbaceous plants