Bip39 List. Even though there are actually BIP39 wordlists in languages other than English, it can be strongly not advisable to make use of non-English words for wallet backups. It would make restoring the wallet complicated or extremely hard. No, there's no complex Restrict for the duration of one's passphrase. https://bookmarksurl.com/story4410494/bip-39-https-linktr-ee-bip39-top-guidelines-of-bip39-passphrase