order Xyridales vs Commelinales

order Xyridales and Commelinales both are nouns.

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

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

Other synonyms of order Xyridales include order Commelinales, Xyridales.

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