The spelling of the word "Throatpipe" may seem confusing at first glance, but can be better understood with the help of phonetic transcription. The IPA symbols show that the "th" sound is pronounced as a voiceless dental fricative /θ/, while the "oa" diphthong is pronounced as /oʊ/. Additionally, the "r" is vocalized due to its position next to a vowel, resulting in /r/ sound. Finally, the ending "pipe" is pronounced as /paɪp/. Putting it all together, "Throatpipe" is pronounced as /θroʊtpraɪp/.