Commelinales vs order Commelinales

Commelinales and order Commelinales both are nouns.

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

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

Other synonyms of Commelinales include order Xyridales, Xyridales.

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