Winter! ;d
Waterhose is a nine letter word starting with the letter W!
wooer
This is the easiest question. A four letter word starting with a w containing an apostrophe is won't. WON'T is the answer
walkedwalkerweakenweakerweaklyweeklywickedwinkedworkedworker
wine
waters
Washout is a synonym for failure. It begins with the letter w.
escrow
wedlock
sweeterswiftlyswizzleswingerswindleswimmerstowagesweaterswallowshowersskewersstowingslowestshowingshrewdlystewingswelterswaddleswiftlyswaggerswayingshallowsorrowssparrowshadowsswelledswervedsawmillsawdust
Waltz.
whirligigs