“ He does speak to people from time-to-time — even using ‘words’.”
In English?
Yes.
I know no other language...but He knows them all.
I'm going to assume here that if speaking to a Greek, He would use Greek (language), etc.
That the God of the Hebrews (the one talked about 'in the Bible') is an THE all-knowing God -- do you not believe that, yourself?
Is the concept of omniscience too difficult for you to imagine exists?
It exists because He exists...