I was just about to post the same thing. Thanks!
“They always refer to him as a Monotheist. In reality, he probably practised monolatrism or henotheism, i.e. the worship of one god alone while still acknowledging the existance of others.”
Or, the worship of Pharaoh and his family as the supreme deities of Egypt (but who were associated with all the other Egyptian deities).
Be nice someday to find another tomb with some more info in it. . .
I can never remember those terms - had to look them up.