Do we have any religious connotations on fundamentalism? For example Merriam–Webster defines fundamentalism as follows:

1. a often capitalized : a movement in 20th century Protestantism emphasizing the literally interpreted Bible as fundamental to Christian life and teaching
   b : the beliefs of this movement
   c : adherence to such beliefs

2. : a movement or attitude stressing strict and literal adherence to a set of basic principles fundamentalism > > >

fundamentalism > The first definition falls under the nonreligious categories and refers to the strict religions. (Muslims), Hinduism, or Judaism.

This second definition already gives a case of ideological Fundamentalism, which is not religious. Other forms of non-religious use include: capitalism, market fundamentism, secular fundamentalism, materialism, marxist fundamentalism, communist fundamentalism, left-wing fundamentalism, ecological fundamentalism, national fundamentalism, and chinese fundamentalism.

What is the differences of fundamentalism vs what you want1? Of course with those aspects of fundamentalism there is no restriction on the source of principles of the fundamentalist movement, while in your case there is some sort of authority. How big is the scope of the world?

^{1 see law to be a narrow interpretation of events or circumstances in a particular situation if there is no unquestionable authority. ” The belief that there is a single or narrow}

range of correct interpretations of events or a circumscribed set of permitted actions in a particular situation if there is no power conferred on that person by law”(a misunderstanding or conjecture).