17 possible answers to
Answers with 3 characters: DRY LYE Answers with 4 characters: ACID TART Answers with 5 characters: ACERB ACRID BORAX HARSH SHARP SNIDE Answers with 6 characters: BITTER Answers with 7 characters: ERODENT EDGED-5 EROSIVE Answers with 9 characters: ACIDULOUS CORROSIVE Answers with 11 characters: ACRIMONIOUS