Genesis 26:18

26:18 Isaac reopened the wells that had been dug back in the days of his father Abraham, for the Philistines had stopped them up after Abraham died. Isaac gave these wells the same names his father had given them.

Genesis 26:22

26:22 Then he moved away from there and dug another well. They did not quarrel over it, so Isaac named it Rehoboth, saying, “For now the Lord has made room for us, and we will prosper in the land.”