madder vs Rubia tinctorum

madder and Rubia tinctorum both are nouns.

Word	Noun	Adjective	Verb	Adverb
madder	Yes	No	Yes	No
Rubia tinctorum	Yes	No	No	No

As nouns, madder and Rubia tinctorum are synonyms defined as:

madder and Rubia tinctorum: Eurasian herb having small yellow flowers and red roots formerly an important source of the dye alizarin

madder (noun)	Rubia tinctorum (noun)
Eurasian herb having small yellow flowers and red roots formerly an important source of the dye alizarin	Eurasian herb having small yellow flowers and red roots formerly an important source of the dye alizarin

madder (verb)	Rubia tinctorum (verb)
color a moderate to strong red