Bip39 Ian Coleman. While you can find BIP39 wordlists in languages other than English, it is actually strongly not encouraged to work with non-English words for wallet backups. It might make restoring the wallet complicated or extremely hard. No, there isn't a technological Restrict for the size of one's passphrase. https://kingslists.com/story20870823/bip-39-https-linktr-ee-bip39-an-unbiased-view-of-bip-39