order Xyridales vs order Commelinales

order Xyridales and order Commelinales both are nouns.

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

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

order Xyridales and order Commelinales: an order of monocotyledonous herbs

Other synonyms of order Xyridales include Commelinales, Xyridales.

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