motor area vs motor region

motor area and motor region both are nouns.

Word	Noun	Adjective	Verb	Adverb
motor area	Yes	No	No	No
motor region	Yes	No	No	No

As nouns, motor area and motor region are synonyms defined as:

motor area and motor region: the cortical area that influences motor movements

Other synonyms of motor area include excitable area, motor cortex, Rolando's area.

motor area (noun)	motor region (noun)
the cortical area that influences motor movements	the cortical area that influences motor movements