order Commelinales vs Xyridales

order Commelinales and Xyridales both are nouns.

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

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

Other synonyms of order Commelinales include Commelinales, order Xyridales.

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