noun
heterodoxy
HET-er-uh-dahk-see/ˈhetərədɑːksi/
Beliefs or practices that depart from accepted doctrine.
The council condemns any heterodoxy that challenges the church's teachings.

Etymology
The pieces express the state of holding a different opinion. Greek heterodoxia meant an error of opinion; in the selected sense, the difference is specifically from beliefs accepted as authoritative doctrine.
In context
so much for heterodoxy right you know you you need to be on board with it or you'll get excluded pretty quick
More examples
- Her economic heterodoxy challenges the department's faith in free markets.
- The theologian defends his heterodoxies with careful readings of scripture.
- The movement tolerates some heterodoxy among its members.
Forms
heterodoxy · heterodoxies
heterodox adjective — Departing from accepted beliefs or doctrine.
Similar words
- heresy
- Usually implies religious error condemned by an official authority.
- unorthodoxy
- More broadly includes departures from customary methods or conventions.