S1Y4N1D2A1C3T1Y4L1I1S1M3S1
24 points
SYNDACTYLISMS is validvalid
SYNDACTYLISM, the phenomenon of syndactyly
SYNDACTYLISM, being syndactyl, having fused digits
SYNDACTYLISM, the phenomenon of syndactyly
SYNDACTYLISM, being syndactyl, having fused digits