Bip39 Vs Slip39. Even though there are BIP39 wordlists in languages in addition to English, it is actually strongly not recommended to implement non-English words for wallet backups. It'd make restoring the wallet tricky or unachievable. With out a passphrase, your funds are only as protected as your seed phrase. https://doctorbookmark.com/story19514422/bip39-generator-https-linktr-ee-bip39-bip39-word-list-pdf-no-further-a-mystery