hepatocellular carcinoma vs hepatocarcinoma

hepatocellular carcinoma and hepatocarcinoma both are nouns.

Word	Noun	Adjective	Verb	Adverb
hepatocellular carcinoma	Yes	No	No	No
hepatocarcinoma	Yes	No	No	No

As nouns, hepatocellular carcinoma and hepatocarcinoma are synonyms defined as:

Other synonyms of hepatocellular carcinoma include hepatoma, malignant hepatoma.

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