Acts 24:18
in which they found me having been purified in the temple, not with rabble, nor with an uproar; and were certain Jews from Asia,
Acts 18:18
And Paul, still remaining some days, having bidden adieu to the brethren, sailed away to Syria, and along with him Priscilla and Aquila; having shorn his head in Cenchrea; for he had a vow.
John 3:25
And there was a disputation of the disciples of John, concerning purifying.
John 11:55
And the passover of the Jews was nigh, and many came up out of the country into Jerusalem before the passover, in order that they might purify themselves.
1 Corinthians 9:20
And to the Jews I became as a Jew, that I may gain the Jews; to those under the law, as under the law, not myself being under law, that I may gain those under the law;
Galatians 2:12
For before certain ones came from James, he was eating along with the Gentiles: but when they came, he withdrew and separated himself, fearing those who were of the circumcision.
Hebrews 9:10-14
consisting only in meats and drinks, and divers baptisms, ordinances of the flesh, abiding until the time of restitution.