καταποντίζω G2670
katapontízō · kat-ap-on-tid'-zo · Verb
from κατά and a derivative of the same as Πόντος; to plunge down, i.e. submerge:--drown, sink.
2 Occurrences in the King James Bible
Matthew 14:30But when he saw the wind boisterous, he was afraid; and beginning to sink, he cried, saying, Lord, save me.
Matthew 18:6But whoso shall offend one of these little ones which believe in me, it were better for him that a millstone were hanged about his neck, and that he were drowned in the depth of the sea.