Bip39 Words. While you can find BIP39 wordlists in languages other than English, it is strongly not encouraged to employ non-English words for wallet backups. It'd make restoring the wallet tricky or impossible. At its core, a BIP39 passphrase modifies the cryptographic strategy of wallet technology. Here’s a technical take https://socialbaskets.com/story5230532/bip39-list-https-linktr-ee-bip39-a-review-of-bip39-generator