Bip39 Checksum. Because of the cryptographic layout of BIP-39, a weak passphrase would not reduce the security of the other wallets or help reveal the seed words. It's also discouraged to produce words directly from assumed and utilize a secure cryptographic function to take action. — Seed phrases are standardized, https://bookmarkcork.com/story19785243/bip39-mnemonic-https-linktr-ee-bip39-a-simple-key-for-bip39-unveiled