order Urticales vs plant order

order Urticales and plant order both are nouns.

Word	Noun	Adjective	Verb	Adverb
order Urticales	Yes	No	No	No
plant order	Yes	No	No	No

As nouns, plant order is a hypernym of order Urticales; that is, plant order is a word with a broader meaning than order Urticales:

order Urticales: an order of dicotyledonous plants including Moraceae and Urticaceae and Ulmaceae
plant order: the order of plants

order Urticales (noun)	plant order (noun)
an order of dicotyledonous plants including Moraceae and Urticaceae and Ulmaceae	the order of plants