order Nudibranchia vs Nudibranchia

order Nudibranchia and Nudibranchia both are nouns.

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

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

order Nudibranchia and Nudibranchia: comprising numerous marine gastropod mollusks lacking a shell in the adult state and usually having a body like a slug

order Nudibranchia (noun)	Nudibranchia (noun)
comprising numerous marine gastropod mollusks lacking a shell in the adult state and usually having a body like a slug	comprising numerous marine gastropod mollusks lacking a shell in the adult state and usually having a body like a slug