Hystricomorpha vs suborder Hystricomorpha

Hystricomorpha and suborder Hystricomorpha both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hystricomorpha	Yes	No	No	No
suborder Hystricomorpha	Yes	No	No	No

As nouns, Hystricomorpha and suborder Hystricomorpha are synonyms defined as:

Hystricomorpha and suborder Hystricomorpha: an order of rodents including: porcupines, guinea pigs, chinchillas, etc.

Hystricomorpha (noun)	suborder Hystricomorpha (noun)
an order of rodents including: porcupines, guinea pigs, chinchillas, etc.	an order of rodents including: porcupines, guinea pigs, chinchillas, etc.