R1E1S1I1D2U1A1L1
9 points
RESIDUAL is validvalid
something left over [n RESIDUALS]
remaining, also RESIDUOUS [adj RESIDUALLY] / that which remains as a residue [n -S]
something left over [n RESIDUALS]
remaining, also RESIDUOUS [adj RESIDUALLY] / that which remains as a residue [n -S]