Mammoth Uncensored Word List:
25 - 15 letter words starting with vi

vibroflotations vicariousnesses vicechancellors vicissitudinary vicissitudinous videoconference videotelephones vigintilliardth vigintillionths vindicabilities vindicativeness violinistically virginitiphobes virginitiphobia virginitiphobic visceroskeletal viscoelasticity viscosimetrical visionarinesses vitilitigations vitriolisations vitriolizations vivaciousnesses vivisectionally vivisectionists