defect, bug

FAULT
WordClue
BUGdefect, blemish
REDdefect, stain
FLAWdefect, red
PESTbug
SOREdefect, scrab
LAPSEdefect, error
STAINdefect, damage
BEETLEbug
DEFECTbug, blemish
BLEMISHdefect, flaw
FAILINGdefect
STUMBLElapse, defect
DRAWBACKdefect, rebate
DETRIMENTdrawback, defect
DISLOCATIONdefect in crystal
BUGdefect, blemish
STAINdefect, damage