It's important not to just repeat something from someone trying to sell you their wares. The publishers of the modern versions will tell you anything. Study of this subject is neccessary to understand the ccusations against the King James Are False.
Baptism was the correct translation, as indicated in the link below;
"The first of these decisive factors is that every Bible written in English from that of John Wycliffe's version,(56) the very first English Bible (c. 1384),(57) to that of the Rheims New Testament,(58) the Roman Catholic version of the English New Testament and the last English Bible to be produced prior to the King James Version (1582), all use either the exact words "baptism" and "to baptize" or their contemporary equivalents in their texts.
What did the users of these Bibles take these words to mean?
The study of the baptismal mode in England indicated that they all understood them to mean "immersion" and "to immerse."