gluteus vs gluteal muscle

gluteus and gluteal muscle both are nouns.

Word	Noun	Adjective	Verb	Adverb
gluteus	Yes	No	No	No
gluteal muscle	Yes	No	No	No

As nouns, gluteus and gluteal muscle are synonyms defined as:

gluteus and gluteal muscle: any one of three large skeletal muscles that form the buttock and move the thigh

Other synonyms of gluteus include glute, gluteus muscle.

gluteus (noun)	gluteal muscle (noun)
any one of three large skeletal muscles that form the buttock and move the thigh	any one of three large skeletal muscles that form the buttock and move the thigh