The same principles apply to religious terms as to general vocabulary. Writers should resist the temptation to overcapitalize.
(a) Capitalize most adjectives and verbs derived from the names of organized religions:
but
(b) Capitalize the names and titles of holy and revered persons:
(c) Capitalize unique theological concepts:
(d) Do not capitalize derived terms that are not used in a religious sense:
(e) Capitalize the titles of religious writings and documents, special prayers and devotional canticles, creeds and confessions:
© Public Works and Government Services Canada, 2013
TERMIUM Plus®, the Government of Canada's terminology and linguistic data bank
Writing Tools – The Canadian Style
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