Bip39 Tool. Even though there are actually BIP39 wordlists in languages aside from English, it is strongly not encouraged to work with non-English words for wallet backups. It'd make restoring the wallet tough or impossible. Entropy is an advanced function. Your mnemonic can be insecure if this function is utilized https://wisesocialsmedia.com/story4337966/bip39-generator-https-linktr-ee-bip39-the-basic-principles-of-bip39-mnemonic