The word "oothecalgia" is spelled with four syllables: /uːθɪˈkældʒə/. The first syllable is "oo," pronounced like the "oo" in "food." The second syllable is "thi," pronounced like "thee." The third syllable is "cal," pronounced like "kahl." The final syllable is "gia," pronounced like "juh." This word is actually a medical term for pain in the egg sac of various species of insects and arthropods. While it may not be a commonly used term, it's interesting to know its correct spelling and pronunciation.
Ovarian neuralgia.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.