Mammoth Uncensored Word List:
39 - 13 letter words starting with wa

wafflestomper waggishnesses wainscottings waistcoateers waistcoatings wakeboardings wakefulnesses walkietalkies walkingsticks wallcoverings walloonophobe wallydraigles wappenshawing warlikenesses warmheartedly warmongerings warrantholder washabilities washingtonias waspishnesses wasterfulness waterboarding watercolorist waterdroplets waterdroppers waterflooding waterfowlings waterlessness watermanships watermiscible waterproofers waterproofing waterstaining watersupplied watersupplies waterthrushes wavefunctions wavegenerated waywardnesses