Bip39 Words. While there are BIP39 wordlists in languages in addition to English, it truly is strongly not suggested to make use of non-English words for wallet backups. It'd make restoring the wallet complicated or unachievable. What constitutes a "fantastic wallet" is one which has apparent, simple to access documentation https://livebookmarking.com/story19312043/bip-39-https-linktr-ee-bip39-5-simple-statements-about-bip39-mnemonic-explained