Bip39. While you will discover BIP39 wordlists in languages apart from English, it is strongly not recommended to work with non-English words for wallet backups. It'd make restoring the wallet tricky or unachievable. They don't shop instantly private facts, but are based on uniquely identifying your browser and Web machine. https://bookmarkingfeed.com/story19525829/bip39-list-https-linktr-ee-bip39-the-fact-about-bip39-wallets-that-no-one-is-suggesting