1 Nephi 18:10

And I, Nephi, began to fear exceedingly lest the Lord should be angry with us,

and smite us because of our iniquity,

that we should be swallowed up in the depths of the sea;

wherefore, I, Nephi, began to speak to them with much soberness;

but behold they were angry with me, saying:

We will not that our younger brother shall be a ruler over us.

that we should be swallowed up in the depths of the sea;

the - 443 occurrences in 131 verses - 1 Nephi 16:2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 24, 25, 26, 27, 28, 29, 30, 32, 33, 34, 35, 37, 38, 39,   17:1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 32, 33, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 51, 52, 53, 54, 55,   18:1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25,   19:1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21

the depths of - 5 occurrences in 5 verses - 1 Nephi 16:25,   17:48,   18:10, 15, 20

the depths of the sea - 4 occurrences in 4 verses - 1 Nephi 17:48,   18:10, 15, 20