Bip39 Passphrase. Even though there are BIP39 wordlists in languages other than English, it can be strongly not suggested to use non-English words for wallet backups. It'd make restoring the wallet tricky or difficult. None of these examples are concerned with arguments that you'll use for differing kinds of typos, https://bookmarkleader.com/story19061185/bip39-https-linktr-ee-bip39-the-best-side-of-bip39