The word "Pupillarity" is relatively rare and refers to the state of being a pupil or student. Its spelling can be a bit confusing, but its pronunciation is quite straightforward. The IPA phonetic transcription for "Pupillarity" is /pjʊpɪˈlærəti/. This breaks down to "p-you-pih-larity", with the stress on the second syllable. Despite its uncommon usage, "Pupillarity" is a valid English word, and its precise spelling and unique pronunciation make it stand out amongst other words in the lexicon.