WAlexander disease
WAmyotrophic lateral sclerosis
WAsphyxiating thoracic dysplasia
WAutosomal dominant cerebellar ataxia
WBuschke–Ollendorff syndrome
WCharcot–Marie–Tooth disease
WCohen-Gibson syndrome
WDilated cardiomyopathy
WElejalde syndrome
WEpidermolysis bullosa simplex
WEpidermolytic hyperkeratosis
WFechtner syndrome
WGiant axonal neuropathy
WHereditary pyropoikilocytosis
WHereditary spherocytosis
WIchthyosis bullosa of Siemens
WLaminopathy
WLong QT syndrome
WMarfan syndrome
WMASS syndrome
WMay–Hegglin anomaly
WMonilethrix
WOsteopoikilosis
WParkinson's disease
WPelger–Huët anomaly
WPrimary ciliary dyskinesia
WSpinocerebellar ataxia
WSteatocystoma multiplex
WTauopathy
WUsher syndrome
WWeill–Marchesani syndrome
WWhite sponge nevus
WWiskott–Aldrich syndrome