order Commelinales vs order Xyridales

order Commelinales and order Xyridales both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Commelinales	Yes	No	No	No
order Xyridales	Yes	No	No	No

As nouns, order Commelinales and order Xyridales are synonyms defined as:

order Commelinales and order Xyridales: an order of monocotyledonous herbs

Other synonyms of order Commelinales include Commelinales, Xyridales.

order Commelinales (noun)	order Xyridales (noun)
an order of monocotyledonous herbs	an order of monocotyledonous herbs