trapezius vs cowl muscle

trapezius and cowl muscle both are nouns.

Word	Noun	Adjective	Verb	Adverb
trapezius	Yes	No	No	No
cowl muscle	Yes	No	No	No

As nouns, trapezius and cowl muscle are synonyms defined as:

trapezius and cowl muscle: either of two flat triangular muscles of the shoulder and upper back that are involved in moving the shoulders and arms

Other synonyms of trapezius include musculus trapezius, trapezius muscle.

trapezius (noun)	cowl muscle (noun)
either of two flat triangular muscles of the shoulder and upper back that are involved in moving the shoulders and arms	either of two flat triangular muscles of the shoulder and upper back that are involved in moving the shoulders and arms