gluteus vs gluteus muscle

gluteus and gluteus muscle both are nouns.

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

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

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

Other synonyms of gluteus include glute, gluteal muscle.

gluteus (noun)	gluteus 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