Please visit this website.

https://www.gotquestions.org/glossolalia.html

At gotquestions.org please put the word glossolalia in the search engine.

Here is another online article on the subject.
https://www.raystedman.org/thematic-studies/questions-and-answers/the-false-gift-of-tongues
I personally know of a local church which does not teach that people have to be born again, and they are taught to keep the seven sacraments ( not Biblical ), that many of the members are charasmatic. This is also discussed in the John McArthur books on the charasmatic movement.

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