Verses with the word grapes in the New Testament (3 verses):

Matthew 7:16
Ye shall know them by their fruits. Do men gather grapes of thorns, or figs of thistles?

Luke 6:44
For every tree is known by his own fruit. For of thorns men do not gather figs, nor of a bramble bush gather they grapes.

Revelation 14:18
And another angel came out from the altar, which had power over fire; and cried with a loud cry to him that had the sharp sickle, saying, Thrust in thy sharp sickle, and gather the clusters of the vine of the earth; for her grapes are fully ripe.