Corporealist :: Corporealist (n.) One who denies the reality of spiritual existences; a materialist.
Corporeality :: Corporeality (n.) The state of being corporeal; corporeal existence.
Incorporealism :: Incorporealism (n.) Existence without a body or material form; immateriality.
Incorporeality :: Incorporeality (n.) The state or quality of being incorporeal or bodiless; immateriality; incorporealism.