myosarcoma vs sarcoma

myosarcoma and sarcoma both are nouns.

Word	Noun	Adjective	Verb	Adverb
myosarcoma	Yes	No	No	No
sarcoma	Yes	No	No	No

As nouns, sarcoma is a hypernym of myosarcoma; that is, sarcoma is a word with a broader meaning than myosarcoma:

myosarcoma: sarcoma of muscle tissue
sarcoma: a usually malignant tumor arising from connective tissue (bone or muscle etc.); one of the four major types of cancer

myosarcoma (noun)	sarcoma (noun)
sarcoma of muscle tissue	a usually malignant tumor arising from connective tissue (bone or muscle etc.); one of the four major types of cancer