In the context of a multi-religious country, which of the following term has the same connotation as 'communalism'?

Religious nationalism

Communalism is a particular kind of politicisation of religious identity, an ideology that seeks to promote conflict between religious communities.
In the context of a multi-religious country, the phrase 'religious nationalism' can come to acquire a similar meaning.
In such a country, any attempt to see a religious community as a nation would mean sowing the seeds of antagonism against some other religion.