Broca's area vs convolution of Broca

Broca's area and convolution of Broca both are nouns.

Word	Noun	Adjective	Verb	Adverb
Broca's area	Yes	No	No	No
convolution of Broca	Yes	No	No	No

As nouns, Broca's area and convolution of Broca are synonyms defined as:

Broca's area and convolution of Broca: the motor speech center in the left hemisphere of the brain in most people

Other synonyms of Broca's area include Broca's center, Broca's convolution, Broca's gyrus.

Broca's area (noun)	convolution of Broca (noun)
the motor speech center in the left hemisphere of the brain in most people	the motor speech center in the left hemisphere of the brain in most people