Sinapis arvensis vs Brassica kaber

Sinapis arvensis and Brassica kaber both are nouns.

Word	Noun	Adjective	Verb	Adverb
Sinapis arvensis	Yes	No	No	No
Brassica kaber	Yes	No	No	No

As nouns, Sinapis arvensis and Brassica kaber are synonyms defined as:

Sinapis arvensis and Brassica kaber: weedy Eurasian plant often a pest in grain fields

Other synonyms of Sinapis arvensis include chadlock, charlock, field mustard, wild mustard.

Sinapis arvensis (noun)	Brassica kaber (noun)
weedy Eurasian plant often a pest in grain fields	weedy Eurasian plant often a pest in grain fields