'Baptism' in the Bible

beginning with the baptism of John until the day that He was taken up from us—one of these must become a witness with us of His resurrection.”

you yourselves know the thing which took place throughout all Judea, starting from Galilee, after the baptism which John proclaimed.

after John had proclaimed before His coming a baptism of repentance to all the people of Israel.

This man had been instructed in the way of the Lord; and being fervent in spirit, he was speaking and teaching accurately the things concerning Jesus, being acquainted only with the baptism of John;

And he said, “Into what then were you baptized?” And they said, “Into John’s baptism.”

Paul said, “John baptized with the baptism of repentance, telling the people to believe in Him who was coming after him, that is, in Jesus.”