2 Kings 18:31
Hearken not to Hezekiah: for thus saith the king of Assyria, Make an agreement with me by a present, and come out to me, and then eat ye every man of his own vine, and every one of his fig tree, and drink ye every one the waters of his cistern:
Cross-reference
2 Kings 17:3
Historical context
2 Kings 17:3 shows Hoshea submitting to Assyria — the same Assyrian tactic of offering vassalage that Rabshakeh now proposes.
1 Kings 4:25
Parallel
In 1 Kings 4:25, the exact phrase 'under his vine and under his fig tree' describes Solomon's peaceful reign—the same idiom the Assyrian uses to promise security. Direct verbal parallel.
Zechariah 3:10
Parallel
Zechariah 3:10 promises that in the messianic age everyone will invite neighbors under vine and fig tree—the same phrase used here by the Assyrian, contrasting a false peace with God's true peace.
Isaiah 36:16
Parallel
Isaiah 36:16 gives the parallel account of this same speech by the Rabshakeh, nearly word for word.