Bip39 Passphrase. Whilst there are actually BIP39 wordlists in languages besides English, it is strongly not advisable to employ non-English words for wallet backups. It would make restoring the wallet difficult or unattainable. BIP39 is actually a design implementation that lays out how copyright wallets make the set of words https://expressbookmark.com/story18653577/bip-39-https-linktr-ee-bip39-bip39-words-secrets