Struthioniformes vs order Struthioniformes

Struthioniformes and order Struthioniformes both are nouns.

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

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

Struthioniformes and order Struthioniformes: a ratite bird order: ostriches and related extinct birds; known from the Pleistocene onward

Struthioniformes (noun)	order Struthioniformes (noun)
a ratite bird order: ostriches and related extinct birds; known from the Pleistocene onward	a ratite bird order: ostriches and related extinct birds; known from the Pleistocene onward