LANGEOLUM is a curious word that raises questions about the correct spelling. Phonetically, it is spelled /læn.dʒi.oʊ.lʌm/. Its structure suggests that the first syllable is pronounced with a soft g sound, similar to 'gentle.' The second syllable is spelled with a long o sound, as if it were spelled with a u. The third syllable is pronounced with a short u sound. The last syllable, -lum, follows the traditional spelling conventions for words that end with an -um suffix. With this phonetic breakdown, we can now confidently spell the word LANGEOLUM.