flaw

[1]	damage , harm , spoil , ruin , mark , weaken , disfigure
[2]	discredit , blemish , stigmatize , damage , hurt , harm , taint , mar , stain , blot

[1]	defect , fault , defect , fault , imperfection , error , mistake , blemish , blot , stain , taint , (black) mark , damage , disfigurement , failing , weakness , weak spot , loophole
[2]	crack , break , breach , chink , chip , fracture , rupture , fissure , cleft , split , slit , cut , gash , rent , rift , tear , rip , puncture , hole , perforation