Many of the bible connotations were in greetings. Notice that it is saint with a small ‘s’.
Catholic Saints go through a decision process to be called first, venerable (holy person), blessed (beatified/beatification, and last sainthood with a CAP ‘S’ and they are then addressed at Saint.... or Saint.
So in a way we are talking about the same thing — living good lives on earth, but also different things because of the Catholic process.
“Notice that it is saint with a small ‘s’.”
The only kind God recognizes in Scripture.
The procedure you reference is simply made up.