For words that only have three letters, there isn't a 4th letter. For instance with the word “incorporate”, there isn't any more letters afterwards and so has to be the word "include". The word “addict” is inside the BIP39 wordlist but you would've utilised “addi” for “addict”. You signed in https://businessbookmark.com/story4251054/how-much-you-need-to-expect-you-ll-pay-for-a-good-valid-bip39-seed-phrase