O1V4E1R1L1A1B3O1R1E1D2
17 points
OVERLABORED is validvalid
OVERLABOR, to labor excessively [v]
OVERLABOR, to cause to labor excessively; to overwork, also OVERLABOUR [v]
OVERLABOR, to labor excessively [v]
OVERLABOR, to cause to labor excessively; to overwork, also OVERLABOUR [v]