Does something accidentally, perhaps (4)
I believe the answer is:
errs
(Other definitions for errs that I've seen before include "Makes mistakes" , "Makes a mistake" , "Is mistaken" , "Slips up" , "Goes wrong" .)
I believe the answer is:
errs
(Other definitions for errs that I've seen before include "Makes mistakes" , "Makes a mistake" , "Is mistaken" , "Slips up" , "Goes wrong" .)