English One word Substitutes Online Test 2

One word substitute is Pagan.

Philatelist: a person who "loves stamps."
Rationalist: a person who bases their opinions and actions on reason and knowledge rather than on religious belief or emotional response.
Atheist: a person who disbelieves or lacks belief in the existence of God or gods.
Pagan: a person holding religious beliefs other than those of the main world religions.