N1I1G2G2A1R1D2L1I1N1E1S1S1E1S1
18 points
NIGGARDLINESSES is validvalid
NIGGARDLINESS, the quality of being niggardly [n]
NIGGARDLINESS, the state of being niggardly [n]
NIGGARDLINESS, the quality of being niggardly [n]
NIGGARDLINESS, the state of being niggardly [n]