1856 R. W. Emerson xi. 188 Loyalty is in the English a sub-religion.
1910 I. W. Heysinger xii. 81 I have endeavoured to deal with religion as a whole as well as with its special sub-religions or divisions.
2009 (Nexis) 26 Mar. 50 As if ‘Islam’ were monolithic and not made up of a wide range of sects and sub-religions.