Verses with the word purifying in the New Testament (5 verses):

John 2:6
And there were set there six waterpots of stone, after the manner of the purifying of the Jews, containing two or three firkins apiece.

John 3:25
Then there arose a question between some of John's disciples and the Jews about purifying.

Acts 15:9
And put no difference between us and them, purifying their hearts by faith.

Acts 21:26
Then Paul took the men, and the next day purifying himself with them entered into the temple, to signify the accomplishment of the days of purification, until that an offering should be offered for every one of them.

Hebrews 9:13
For if the blood of bulls and of goats, and the ashes of an heifer sprinkling the unclean, sanctifieth to the purifying of the flesh: