submerge

[1]	plunge , submerse , submerse , immerse , inundate , dip , wash , soak , drench , saturate , wet , douse , (Colloq) dunk
[2]	dive , drown , overwhelm , plunge , go down , descend , sink , sound , plummet
[3]	flood , submerse , immerse , inundate , swamp , bury , engulf , overwhelm , deluge , drown , conceal , hide , camouflage , obscure , cloak , veil , shroud
[4]	inundate , deluge