tensor vs musculus

tensor and musculus both are nouns.

Word	Noun	Adjective	Verb	Adverb
tensor	Yes	No	No	No
musculus	Yes	No	No	No

As nouns, musculus is a hypernym of tensor; that is, musculus is a word with a broader meaning than tensor:

tensor: any of several muscles that cause an attached structure to become tense or firm
musculus: one of the contractile organs of the body

Other hypernyms of tensor include muscle.

tensor (noun)	musculus (noun)
any of several muscles that cause an attached structure to become tense or firm	one of the contractile organs of the body
a generalization of the concept of a vector