The spelling of the word "Tonguester" may seem strange at first, but it is actually quite logical. In IPA (International Phonetic Alphabet), the pronunciation of the word is written as [tʌŋ.stər], with the first syllable pronounced like "tongue" and the second syllable like "ster". Therefore, the "ue" at the end of the first syllable and the "st" in the second syllable accurately reflect the sounds of the word. "Tonguester" is a rare word that refers to the muscle that controls the movement of the tongue.