Acts 21:24
"We have four men here under a vow; associate yourself with them, purify yourself with them, and pay their expenses so that they may have their heads shaved; then every one will know that there is no truth in the rumors that they have heard about you; but that you yourself walk orderly obeying the law.
Acts 21:26
Then Paul took the men, and after purifying himself with them next day, went into the temple to declare the fulfilment of the days of purification, until the offering was offered for every one of them.
Acts 24:18
"While I was thus engaged, they found me in the temple, purified, with no crowd and no uproar. But there were certain Asiatic Jews
Acts 18:18
And Paul after remaining in Corinth some time longer, took leave of the brothers, and sailed away to Syria, accompanied by Priscilla and Aquila. As Paul was under a vow, he had his head shaved at Cenchrea.
John 3:25
Then some of John's disciples got into a controversy with a Jew in regard to purification; so they came to John and said to him.
John 11:55
and there remained with his disciples. Now the Jewish Passover was near, and many people went up from the country to Jerusalem for purification before the Passover.
1 Corinthians 9:20
To the Jews I am become like a Jew, that I may win Jews; to those under the Law, like one under the Law, though I am not under the Law, myself;
Galatians 2:12
For until certain men came from James he used to eat with the Gentile Christians, but when they came, he began to draw back and to separate himself, because he was afraid of the circumcision party.
Hebrews 9:10-14
since they consist only in meats and drinks and various ablutions, carnal ordinances, imposed until the time of reformation.