Rajiformes vs Batoidei

Rajiformes and Batoidei both are nouns.

Word	Noun	Adjective	Verb	Adverb
Rajiformes	Yes	No	No	No
Batoidei	Yes	No	No	No

As nouns, Rajiformes and Batoidei are synonyms defined as:

Rajiformes and Batoidei: fish with dorsoventrally flattened bodies: rays, skates, guitarfishes, sawfishes, etc.

Other synonyms of Rajiformes include order Batoidei, order Rajiformes.

Rajiformes (noun)	Batoidei (noun)
fish with dorsoventrally flattened bodies: rays, skates, guitarfishes, sawfishes, etc.	fish with dorsoventrally flattened bodies: rays, skates, guitarfishes, sawfishes, etc.