hepatoma vs carcinoma

hepatoma and carcinoma both are nouns.

Word	Noun	Adjective	Verb	Adverb
hepatoma	Yes	No	No	No
carcinoma	Yes	No	No	No

As nouns, carcinoma is a hypernym of hepatoma; that is, carcinoma is a word with a broader meaning than hepatoma:

hepatoma: carcinoma of the liver
carcinoma: any malignant tumor derived from epithelial tissue; one of the four major types of cancer

hepatoma (noun)	carcinoma (noun)
carcinoma of the liver	any malignant tumor derived from epithelial tissue; one of the four major types of cancer