To kill by suffocating in water or another liquid.
To die from suffocation while immersed in water or other fluid.
To be flooded: to be inundated with or submerged in (literally) water or (figuratively) other things; to be overwhelmed.
To inundate, submerge, overwhelm.
To obscure, particularly amid an overwhelming volume of other items.
to kill using a garrote
to execute by strangulation
an iron collar formerly used in Spain to execute people by strangulation
something, especially a cord or wire, used for strangulation