The spelling of "HAPROTEASE" is unique and not commonly known. The phonetic transcription for this word is /hæprəʊtiːz/, which breaks down the word into its individual sounds. The first sound, /h/, is a voiceless glottal fricative, followed by the short vowel sound /æ/. The next sound, /pr/, is a bilabial stop followed by an alveolar trill, followed by the diphthong /əʊ/. The final sound, /tiːz/, combines the voiced alveolar affricate with the unvoiced dental fricative and ends with the voiced alveolar fricative.