chadlock vs charlock

chadlock and charlock both are nouns.

Word	Noun	Adjective	Verb	Adverb
chadlock	Yes	No	No	No
charlock	Yes	No	No	No

As nouns, chadlock and charlock are synonyms defined as:

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

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

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