carbon vs carburise

carbon is a noun but carburise is not a noun.

Word	Noun	Adjective	Verb	Adverb
carbon	Yes	No	No	No
carburise	No	No	Yes	No

carbon (noun)	carburise (noun)
a copy made with carbon paper
an abundant nonmetallic tetravalent element occurring in three allotropic forms: amorphous carbon and graphite and diamond; occurs in all organic compounds
a thin paper coated on one side with a dark waxy substance (often containing carbon); used to transfer characters from the original to an under sheet of paper

carbon (verb)	carburise (verb)
	unite with carbon