Bip39 Passphrase. Even though you will discover BIP39 wordlists in languages in addition to English, it can be strongly not suggested to implement non-English words for wallet backups. It might make restoring the wallet difficult or impossible. This functions mainly because BIP39 is supported by a lot of wallet makers. https://socialexpresions.com/story4533716/bip39-word-list-https-linktr-ee-bip39-a-review-of-bip39-words