chadlock vs Sinapis arvensis

chadlock and Sinapis arvensis both are nouns.

Word	Noun	Adjective	Verb	Adverb
chadlock	Yes	No	No	No
Sinapis arvensis	Yes	No	No	No

As nouns, chadlock and Sinapis arvensis are synonyms defined as:

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

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

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