Verses with the word nazarites in the Old Testament (3 verses):

Lamentations 4:7
Her Nazarites were purer than snow, they were whiter than milk, they were more ruddy in body than rubies, their polishing was of sapphire:

Amos 2:11
And I raised up of your sons for prophets, and of your young men for Nazarites. Is it not even thus, O ye children of Israel? saith the LORD.

Amos 2:12
But ye gave the Nazarites wine to drink; and commanded the prophets, saying, Prophesy not.