M3A1N1N1E1R1L1I1N1E1S1S1E1S1
16 points
MANNERLINESSES is validvalid
MANNERLINESS, the quality of being mannerly [n]
MANNERLINESS, the state of being mannerly [n]
MANNERLINESS, the quality of being mannerly [n]
MANNERLINESS, the state of being mannerly [n]