Brachyura vs suborder Brachyura

Brachyura and suborder Brachyura both are nouns.

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

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

Brachyura and suborder Brachyura: an order of crustaceans (including true crabs) having a reduced abdomen folded against the ventral surface

Brachyura (noun)	suborder Brachyura (noun)
an order of crustaceans (including true crabs) having a reduced abdomen folded against the ventral surface	an order of crustaceans (including true crabs) having a reduced abdomen folded against the ventral surface