Monotheism: There is only ONE GOD, and that is the GOD That MY religion proclaims and I believe in. This is why it should more properly God MOUTHEISM: MY God.
Polytheism: God manifests Himself/Herself in many forms and with many names to different peoples.
Polyodosism: There are many paths to achieve/attain spiritual fulfillment, none better than the others.
Which of these once accepts/follows depends on one’s upbringing and awakening.