olemus
Wiktionary, noun:
1 strict adherence to a given form of conduct, practice etc.

näiteid
Wiktionary, noun, 2,...,7
https://en.wiktionary.org/wiki/formalism#:~:text=formalism%20(countable%20and%20uncountable%2C%20plural,paradigms%20for%20a%20given%20theory.

https://en.wikipedia.org/wiki/Formalism