Bip39 Github. While you can find BIP39 wordlists in languages besides English, it can be strongly not recommended to make use of non-English words for wallet backups. It might make restoring the wallet difficult or unattainable. BIP39 specifies a list of 2048 words from which the mnemonic phrase is decided https://listbell.com/story9412968/bip39-wallets-https-linktr-ee-bip39-about-ian-coleman-bip39