Peter had a wife. Ever think of that. Ever see anyone in the Bible call him pope?
Baptizo is super cut and dried:
THE ORDINANCE OF WATER BAPTISM
The word "Baptism" is a transliteration of the Greek word BAPTIZO which means to immerse. In Hebrew it is referred to as a MIKVEH - an immersion. Basically it is an immersion into another substance, for the purpose of being saturated by it, such as water in this instance.The new covenant also presents the immersion of a believer "in the Spirit of God" and also "with Fire". Matthew 3:11