carbon black vs lampblack

carbon black and lampblack both are nouns.

Word	Noun	Adjective	Verb	Adverb
carbon black	Yes	No	No	No
lampblack	Yes	No	No	No

As nouns, carbon black and lampblack are synonyms defined as:

carbon black and lampblack: a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink

Other synonyms of carbon black include crock, smut, soot.

carbon black (noun)	lampblack (noun)
a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink	a black colloidal substance consisting wholly or principally of amorphous carbon and used to make pigments and ink