Possibly manifestation.
Yes, religion is an abstract noun; religion is a form of belief.
The noun Bible (capital B) is a concrete nounas a word for the religious text of Christianity, a word for a physical book.The noun bible (lower case b) is an abstract noun as a word for a book that is considered the most important one for a particular subject, a word for a concept.
Carolyn Oulton has written: 'Literature and religion in mid-Victorian England' -- subject(s): Christianity and literature, English Christian fiction, English fiction, History, History and criticism, Influence, Religion, Religion and literature, Religion in literature
Isaac Clayton Keller has written: 'Literature and religion' -- subject(s): American literature, English literature, Religion in literature
Daniel Swift has written: 'Shakespeare's common prayers' -- subject(s): Sources, Religion in literature, Religion, History, Religion and literature, Prayer in literature
Yes, the noun Judaism is an abstract noun; a word for a monotheistic religion; a word for a concept.
James L. Lucas has written: 'The religious dimension of twentieth-century British and American literature' -- subject(s): American literature, English literature, History and criticism, Religion and literature, Religion in literature
No, "Catholic" is not an abstract noun. It is a proper noun that refers to a specific religion or denomination within Christianity.
The abstract noun form of the adjective 'religious' is religiousness.The word 'religious' is the adjective form of the abstract noun religion.
religion
Kenneth I. Perry has written: 'The religious symbolism of Andre Gide' -- subject(s): Religion, Religion in literature, Symbolism, Symbolism in literature
C. L. Sahni has written: 'Forster's A passage to India' -- subject(s): India in literature, Religion, Religion in literature