Bip39 Checksum. Remember, there isn't any this sort of issue to be a “wrong” passphrase. Each distinct passphrase you enter can be a fully new wallet. Watch out when recovering your seed by using a passphrase. BIP39 specifies a list of 2048 words from which the mnemonic phrase is decided https://thebookmarklist.com/story18742463/bip39-wallet-https-linktr-ee-bip39-bip39-generator-an-overview