motor region vs motor area

motor region and motor area both are nouns.

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

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

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

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

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