wild mustard vs Sinapis arvensis

wild mustard and Sinapis arvensis both are nouns.

Word	Noun	Adjective	Verb	Adverb
wild mustard	Yes	No	No	No
Sinapis arvensis	Yes	No	No	No

As nouns, wild mustard and Sinapis arvensis are synonyms defined as:

wild mustard and Sinapis arvensis: weedy Eurasian plant often a pest in grain fields

Other synonyms of wild mustard include Brassica kaber, chadlock, charlock, field mustard.

wild mustard (noun)	Sinapis arvensis (noun)
weedy Eurasian plant often a pest in grain fields	weedy Eurasian plant often a pest in grain fields