CHARLOCKS
Scrabble letter values: C3H4A1R1L1O1C3K5S1 = 20
Definition
CHARLOCKS is the plural of CHARLOCK.
noun CHARLOCK: weedy Eurasian plant often a pest in grain fields.
Synonyms of CHARLOCK: field_mustard, wild_mustard, chadlock, Brassica_kaber, Sinapis_arvensis