The List
There are 627 6 letter words with W as the first letter. The highest scoring is WHIZZY at 33 points in Scrabble. 128 carry three or more vowels, which makes them useful for dumping a vowel-clogged rack.
WABAINWABBITWABBLEWABBLYWABOOMWACKERWACKESWACKOSWADDEDWADDERWADDIEWADDLEWADDLYWADERSWADIESWADINGWADMALWADMELWADMOLWADSETWAEFULWAFERSWAFERYWAFFEDWAFFIEWAFFLEWAFFLYWAFTEDWAFTERWAGERSWAGGASWAGGEDWAGGERWAGGLEWAGGLYWAGGONWAGINGWAGONSWAGYUSWAHINEWAHOOSWAIATAWAIFEDWAIFTSWAILEDWAILERWAINEDWAIREDWAIRSHWAIRUAWAISTSWAITEDWAITERWAITESWAIVEDWAIVERWAIVESWAKAMEWAKENSWAKERSWAKIKIWAKINGWALDOSWALERSWALIERWALIESWALINGWALISEWALKEDWALKERWALKUPWALLAHWALLASWALLEDWALLERWALLETWALLIEWALLOPWALLOWWALNUTWALRUSWAMBLEWAMBLYWAMMULWAMMUSWAMPEEWAMPUMWAMPUSWANDERWANDLEWANDOOWANGANWANGLEWANGUNWANIERWANINGWANIONWANNEDWANNELWANNERWANTEDWANTERWANTONWANZEDWANZESWAPITIWAPPEDWAPPERWARAGIWARBLEWARDEDWARDENWARDERWARDOGWARIERWARILYWARINGWARKEDWARMANWARMEDWARMENWARMERWARMLYWARMTHWARMUPWARNEDWARNERWARPEDWARPERWARRANWARRAYWARREDWARRENWARREYWARSAWWARSLEWARTEDWASABIWASHEDWASHENWASHERWASHESWASHINWASHUPWASPIEWASSUPWASTEDWASTELWASTERWASTESWASTRYWATAPEWATAPSWATERSWATERYWATTERWATTLEWAUCHTWAUFFSWAUGHSWAUGHTWAUKEDWAUKERWAULEDWAULKSWAUREDWAURSTWAVERSWAVERYWAVEYSWAVIERWAVIESWAVILYWAVINGWAWAEDWAWLEDWAXERSWAXEYEWAXIERWAXILYWAXINGWAYINGWAYLAYWAZIRSWAZOOSWEAKENWEAKERWEAKLYWEAKONWEALDSWEALTHWEAMBSWEANEDWEANELWEANERWEAPONWEAREDWEARERWEASELWEASONWEAVEDWEAVERWEAVESWEAZENWEBBEDWEBBIEWEBCAMWEBERSWEBFEDWEBIFYWEBLOGWECHTSWEDDEDWEDDERWEDELNWEDELSWEDGEDWEDGESWEDGIEWEEDEDWEEDERWEEINGWEEKESWEEKLYWEENEDWEENIEWEENSYWEEPERWEEPIEWEETEDWEETENWEETERWEEVERWEEVILWEEWEEWEFTEDWEFTESWEIGHSWEIGHTWEINERWEIRDOWEIRDSWEIRDYWEIREDWEISEDWEISESWEIZEDWEIZESWELDEDWELDERWELDORWELKEDWELKESWELKINWELLEDWELLIEWELTEDWELTERWENDEDWENGESWERRISWESANDWESKITWESTEDWESTERWESTIEWETHERWETTEDWETTERWETTIEWEXINGWEYARDWEZANDWHACKOWHACKSWHACKYWHALEDWHALERWHALESWHALLYWHAMMOWHAMMYWHANAUWHANGSWHARESWHARFSWHARVEWHATASWHATENWHATNAWHATSOWHAUPSWHAURSWHEALSWHEAREWHEATSWHEATYWHEECHWHEELSWHEELYWHEENSWHEEPSWHEESHWHEEZEWHEEZYWHEFTSWHELKSWHELKYWHELMSWHELPSWHENASWHENCEWHENUAWHENWEWHERESWHERRYWHERVEWHEUGHWHEWEDWHEYEYWHIDAHWHIFFSWHIFFYWHIFTSWHILEDWHILESWHILLYWHILOMWHILSTWHIMMYWHIMSYWHINEDWHINERWHINESWHINEYWHINGEWHINGYWHINNYWHIPPYWHIRLSWHIRLYWHIRRSWHIRRYWHISHTWHISKSWHISKYWHISTSWHITEDWHITENWHITERWHITESWHITEYWHIZZOWHIZZYWHOLESWHOLLYWHOMPSWHOMSOWHOOFSWHOOPSWHOOSHWHOOTSWHORLSWHORTSWHOSISWHUMPSWHYDAHWIBBLEWICCANWICCASWICHESWICKEDWICKENWICKERWICKETWICOPYWIDDERWIDDIEWIDDLEWIDELYWIDENSWIDESTWIDGETWIDGIEWIDISHWIDOWSWIDTHSWIELDSWIELDYWIENERWIENIEWIFELYWIFEYSWIFIESWIFINGWIGANSWIGEONWIGGASWIGGEDWIGGERWIGGLEWIGGLYWIGHTSWIGLETWIGWAGWIGWAMWIKIUPWILDEDWILDERWILDLYWILFULWILGASWILIERWILILYWILINGWILJASWILLEDWILLERWILLETWILLEYWILLIEWILLOWWILTEDWILTJAWIMBLEWIMMINWIMPEDWIMPLEWINCEDWINCERWINCESWINCEYWINDACWINDASWINDEDWINDERWINDLEWINDOWWINDUPWINERYWINGEDWINGERWINGESWINIERWININGWINISHWINKEDWINKERWINKLEWINNEDWINNERWINNLEWINNOWWINOESWINSEYWINTERWINTLEWINTRYWINZESWIPERSWIPINGWIPPENWIRERSWIRIERWIRILYWIRINGWIRRAHWISARDWISDOMWISELYWISENTWISESTWISHEDWISHERWISHESWISINGWISKETWISPEDWISSEDWISSESWISTEDWISTLYWITANSWITCHYWITGATWITHALWITHEDWITHERWITHESWITHINWITINGWITNEYWITTEDWITTERWITTOLWIVERNWIVERSWIVINGWIZARDWIZENSWIZIERWIZZENWIZZESWOADEDWOALDSWOBBLEWOBBLYWODGESWOEFULWOGGLEWOLFEDWOLFERWOLVEDWOLVERWOLVESWOMANSWOMBATWOMBEDWOMERAWOMMITWONDERWONGASWONGISWONINGWONNEDWONNERWONTEDWONTONWOOBUTWOODEDWOODENWOODIEWOODSYWOOERSWOOFEDWOOFERWOOHOOWOOINGWOOLDSWOOLEDWOOLENWOOLERWOOLIEWOOLLYWOONEDWOOPIEWOOSELWOOSESWOPPEDWORDEDWORKEDWORKERWORKUPWORLDSWORMEDWORMERWORMILWORRALWORRELWORRITWORSEDWORSENWORSERWORSESWORSETWORSTSWORTHSWORTHYWORTLEWOTCHAWOTTEDWOUBITWOULDSWOUNDSWOUNDYWOVENSWOWFERWOWINGWOWSERWRACKSWRAITHWRANGSWRASSEWRASTSWRATHSWRATHYWRAWLSWRAXLEWREAKSWREATHWRECKSWRENCHWRESTSWRETCHWRETHEWRICKSWRIESTWRIGHTWRINGSWRISTSWRISTYWRITERWRITESWRITHEWROATHWROKENWRONGSWROOTSWRYESTWRYINGWUDDEDWUKKASWULLEDWUNNERWURLEYWURLIEWURSTSWURZELWUSHUSWUSSESWUTHERWUXIASWUZZLEWYCHESWYLINGWYTINGWYVERN