1 Nephi 17:50

And I said unto them:

If God had commanded me to do all things

I could do them.

If he should command me

that I should say unto this water,

be thou earth,

it should be earth;

and if I should say it,

it would be done.

that I should say unto this water,

say - 7 occurrences in 6 verses - 1 Nephi 16:3, 24,   17:33, 34, 50,   19:7

say unto - 3 occurrences in 3 verses - 1 Nephi 17:33, 34, 50