Mammoth Uncensored Word List:
25 - 14 letter words starting with we

wealthmongered wearifulnesses weatherability weatherboarded weathercasters weathercocking weatherglasses weatherisation weatherization weatherometers weatherpersons weatherproofed weatherproofer weatherstriped weightlessness weightliftings weightwatchers weightwatching welldocumented wellstructured wellthoughtout weltanschauung westerlinesses westernisation westernization