The term for this is minced oath. https://en.wikipedia.org/wiki/Minced_oath https://en.wikipedia.org/wiki/Minced_oath https://en.wiktionary.org/wiki/Category:

The term for this is minced oath. https://en.wikipedia.org/wiki/Minced_oath https://en.wikipedia.org/wiki/Minced_oath https://en.wiktionary.org/wiki/Category:English_minced_oaths https://en.wiktionary.org/wiki/Category:English_minced_oaths https://en.wiktionary.org/wiki/Category:Minced_oaths_by_language https://en.wiktionary.org/wiki/Category:Minced_oaths_by_lang... And in the Russian section... https://en.wiktionary.org/wiki/блин#Russian https://en.wiktionary.org/wiki/блин#Russian