Bip39 Checksum. Even though you can find BIP39 wordlists in languages besides English, it is strongly not advised to work with non-English words for wallet backups. It'd make restoring the wallet complicated or unattainable. This may entail making a direct backup, a cryptic trace that only you would probably understand, https://bookmarklinx.com/story19657376/bip-39-https-linktr-ee-bip39-getting-my-ian-coleman-bip39-to-work