"Deceitful" is the correct spelling of the word. The IPA phonetic transcription of this word is /dɪˈsiːtfʊl/. It is a two-syllable word beginning with the stressed syllable /di/. The second syllable is pronounced with a short /i/ sound followed by the consonant cluster /tf/, representing the "ct" combination. The final syllable is pronounced with the short /ʊl/ sound. It is important to spell words correctly to ensure clear communication and avoid confusion.