U1N1D2E1R1U1T1I1L1I1Z10E1D2
24 points
UNDERUTILIZED is validvalid
UNDERUTILIZE, to utilize insufficiently [v]
UNDERUTILIZE, to utilize less than fully, also UNDERUTILISE [v]
UNDERUTILIZE, to utilize insufficiently [v]
UNDERUTILIZE, to utilize less than fully, also UNDERUTILISE [v]