Bip39 Standard. Although there are actually BIP39 wordlists in languages besides English, it is actually strongly not advised to implement non-English words for wallet backups. It'd make restoring the wallet challenging or not possible. None of these examples are worried about arguments that you would probably use for differing types https://allbookmarking.com/story19429593/bip39-https-linktr-ee-bip39-not-known-facts-about-bip39