order Rheiformes vs Rheiformes

order Rheiformes and Rheiformes both are nouns.

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

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

order Rheiformes and Rheiformes: a ratite bird order: birds intermediate in characteristics between ostriches and emus: recent and extinct rheas

order Rheiformes (noun)	Rheiformes (noun)
a ratite bird order: birds intermediate in characteristics between ostriches and emus: recent and extinct rheas	a ratite bird order: birds intermediate in characteristics between ostriches and emus: recent and extinct rheas