Bip39 Vs Slip39. Although you'll find BIP39 wordlists in languages in addition to English, it's strongly not encouraged to make use of non-English words for wallet backups. It would make restoring the wallet complicated or difficult. BIP39 specifies a list of 2048 words from which the mnemonic phrase is picked. https://yoursocialpeople.com/story4498946/bip39-https-linktr-ee-bip39-how-bip39-generator-can-save-you-time-stress-and-money