The word "thyropexin" is spelled with the sounds of /θaɪroʊˈpɛksɪn/ in IPA phonetic transcription. The first syllable is pronounced as "thy" with the voiceless dental fricative sound /θ/. The second syllable "ro" is pronounced with the vowel sound /aɪ/. The third syllable "pex" is pronounced with the voiceless velar stop /k/ followed by the vowel sound /ɛ/. The last syllable "in" is pronounced with the voiced alveolar nasal /n/. Overall, the word "thyropexin" is spelled according to the English language phonetic rules.