The List
There are 400 5 letter words with W as the first letter. The highest scoring is WHIZZ at 29 points in Scrabble. 3 of them contain no vowel at all: WRYLY, WYNDS, WYNNS.
WAACSWACKEWACKOWACKSWACKYWADDSWADDYWADEDWADERWADESWADISWADTSWAFERWAFFSWAFTSWAGEDWAGERWAGESWAGGAWAGONWAGYUWAHOOWAIDEWAIFSWAIFTWAILSWAINSWAIRSWAISTWAITEWAITSWAIVEWAKASWAKEDWAKENWAKERWAKESWAKFSWALDOWALDSWALEDWALERWALESWALISWALKSWALLAWALLSWALLYWALTYWALTZWAMEDWAMESWAMUSWANDSWANEDWANESWANEYWANGSWANLEWANLYWANNAWANTSWANTYWANZEWAQFSWARBSWARBYWARDSWAREDWARESWAREZWARKSWARMSWARNSWARPSWARREWARSTWARTSWARTYWASESWASHYWASPSWASPYWASTEWASTSWATAPWATCHWATERWATTSWAUFFWAUGHWAUKSWAULKWAULSWAURSWAVEDWAVERWAVESWAVEYWAWASWAWESWAWLSWAXEDWAXENWAXERWAXESWAYEDWAZIRWAZOOWEALDWEALSWEAMBWEANSWEARSWEARYWEAVEWEBBYWEBERWECHTWEDELWEDGEWEDGYWEEDSWEEDYWEEKEWEEKSWEELSWEEMSWEENSWEENYWEEPSWEEPYWEESTWEETEWEETSWEFTEWEFTSWEIDSWEIGHWEILSWEIRDWEIRSWEISEWEIZEWEKASWELCHWELDSWELKEWELKSWELKTWELLSWELLYWELSHWELTSWEMBSWENCHWENDSWENGEWENNYWENTSWEROSWERSHWESTSWETASWETLYWEXEDWEXESWHACKWHALEWHAMOWHAMSWHANGWHAPSWHAREWHARFWHATAWHATSWHAUPWHAURWHEALWHEARWHEATWHEELWHEENWHEEPWHEFTWHELKWHELMWHELPWHENSWHEREWHETSWHEWSWHEYSWHICHWHIDSWHIFFWHIFTWHIGSWHILEWHILKWHIMSWHINEWHINSWHINYWHIOSWHIPSWHIPTWHIRLWHIRRWHIRSWHISHWHISKWHISSWHISTWHITEWHITSWHITYWHIZZWHOLEWHOMPWHOOFWHOOPWHOOTWHOPSWHORLWHORTWHOSEWHOSOWHUMPWHUPSWICCAWICKSWICKYWIDDYWIDENWIDERWIDESWIDOWWIDTHWIELDWIELSWIFEDWIFESWIFEYWIFIEWIFTYWIGANWIGGAWIGGYWIGHTWIKISWILCOWILDSWILEDWILESWILGAWILISWILJAWILLSWILTSWIMPSWIMPYWINCEWINCHWINDSWINDYWINEDWINESWINEYWINGEWINGSWINGYWINKSWINNAWINNSWINOSWINZEWIPEDWIPERWIPESWIREDWIRERWIRESWIRRAWISEDWISERWISESWISHAWISHTWISPSWISPYWISTSWITANWITCHWITEDWITESWITHEWITHSWITHYWITTYWIVEDWIVERWIVESWIZENWIZESWOADSWOALDWOCKSWODGEWOFULWOKENWOKKAWOLDSWOLFSWOLLYWOLVEWOMANWOMBSWOMBYWOMENWOMYNWONGAWONGIWONKSWONKYWONTSWOODSWOODYWOOEDWOOERWOOFSWOOFYWOOLDWOOLSWOOLYWOONSWOOPSWOOSEWOOSHWOOTZWOOZYWORDSWORDYWORKSWORLDWORMSWORMYWORRYWORSEWORSTWORTHWORTSWOULDWOUNDWOVENWOWEDWOWEEWOXENWRACKWRANGWRAPSWRAPTWRASTWRATEWRATHWRAWLWREAKWRECKWRENSWRESTWRICKWRIEDWRIERWRIESWRINGWRISTWRITEWRITSWROKEWRONGWROOTWROTEWROTHWRUNGWRYERWRYLYWUDUSWULLSWURSTWUSESWUSHUWUSSYWUXIAWYLEDWYLESWYNDSWYNNSWYTEDWYTES