The correct spelling of the word "hast sensation" is actually "has sensation." The word "has" is a verb meaning to possess or own, while "sensation" refers to a feeling or perception. The IPA phonetic transcription for "has" is /hæz/, with the voiced "z" sound at the end. The IPA transcription for "sensation" is /sɛnˈseɪʃən/, with the stressed syllable on "sen" and the "sh" sound at the end represented by the symbol "ʃ".