Verses with the word espy in the Old Testament (2 verses):

Joshua 14:7
Forty years old was I when Moses the servant of the LORD sent me from Kadeshbarnea to espy out the land; and I brought him word again as it was in mine heart.

Jeremiah 48:19
O inhabitant of Aroer, stand by the way, and espy; ask him that fleeth, and her that escapeth, and say, What is done?