hepatocarcinoma vs hepatoma

hepatocarcinoma and hepatoma both are nouns.

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

As nouns, hepatocarcinoma and hepatoma are synonyms defined as:

Other synonyms of hepatocarcinoma include hepatocellular carcinoma, malignant hepatoma.

hepatocarcinoma (noun)	hepatoma (noun)
carcinoma of the liver	carcinoma of the liver