SECTARIANISM
sectarianism, denominationalism
(noun) a narrow-minded adherence to a particular sect or party or denomination; “he condemned religious sectarianism”
Source: WordNet® 3.1
Etymology
Noun
sectarianism (countable and uncountable, plural sectarianisms)
Rigid adherence to a particular sect, denomination, ideology, or party.
(politics) A political system in which power is shared among religious sects based on a constitutional formula distributing public offices among these sects
Anagrams
• Americanists, Cartesianism
Source: Wiktionary
Sec*ta"ri*an*ism, n.
Definition: The quality or character of a sectarian; devotion to the
interests of a party; excess of partisan or denominational zeal;
adherence to a separate church organization.
Source: Webster’s Unabridged Dictionary 1913 Edition