rhabdosarcoma vs sarcoma

rhabdosarcoma and sarcoma both are nouns.

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

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

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

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