Bip39 word checker https://www.bitsdujour.com/profiles/wWbptt Then again on average It will take 50 percent time given in the tables under for an attacker to get the proper passphrase Since including a passphrase towards your seed words makes a whole new wallet, some other passphrase you enter (including a passphrase entered improperly) https://top100bookmark.com/story20018172/bip39-vs-bip44-bip39-compatible-wallet-an-overview-https-t-me-bip39-chat