Bip39 Word List Numbers. Though there are BIP39 wordlists in languages apart from English, it's strongly not suggested to make use of non-English words for wallet backups. It might make restoring the wallet tricky or difficult. By using a passphrase, you add an additional layer of safety on your wallet, https://getsocialsource.com/story4484377/bip39-words-https-linktr-ee-bip39-a-review-of-bip39-words