Bip39 Seed. Although you will find BIP39 wordlists in languages aside from English, it's strongly not advisable to implement non-English words for wallet backups. It would make restoring the wallet challenging or unachievable. BIP39 is actually a structure implementation that lays out how copyright wallets create the set of words https://reallivesocial.com/story4290098/bip39-wallet-https-linktr-ee-bip39-what-does-ian-coleman-bip39-mean