bone char vs animal black

bone char and animal black both are nouns.

Word	Noun	Adjective	Verb	Adverb
bone char	Yes	No	No	No
animal black	Yes	No	No	No

As nouns, bone char and animal black are synonyms defined as:

bone char and animal black: black substance containing char in the form of carbonized bone; used as a black pigment

Other synonyms of bone char include animal charcoal, bone black.

bone char (noun)	animal black (noun)
black substance containing char in the form of carbonized bone; used as a black pigment	black substance containing char in the form of carbonized bone; used as a black pigment