Bip39. While you will discover BIP39 wordlists in languages besides English, it's strongly not encouraged to use non-English words for wallet backups. It'd make restoring the wallet difficult or unattainable. None of such examples are worried about arguments that you'll use for different types of typos, tokenlists, and so forth. https://bookmarkinglog.com/story18762426/bip39-passphrase-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic