Commelinales vs Xyridales

Commelinales and Xyridales both are nouns.

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

As nouns, Commelinales and Xyridales are synonyms defined as:

Other synonyms of Commelinales include order Commelinales, order Xyridales.

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