OD asphyxiate baptize be clobbered be felled be killed be poleaxed be staggered be stricken bottle up burke bury censor choke choke off clamp down on come to grief cork cork up crack down on crush damp down deluge dip douse drench duck dunk engulf extinguish famish float flood flow on founder gag garrote have a mishap hold down immerge immerse inundate jump on keep down keep under kill knock over merge muzzle overcome overflow overpower overwhelm plunge in water pour on pour water on prostrate put down quash quell quench rain repress run aground shut down on silence sink sit down on sit on sluice smash smother soak sop souse squash squelch stanch starve stifle stop the breath strangle stultify subdue submerge submerse suffer a misfortune suffocate suppress swamp throttle wet whelm