The word "mansionary" is not a common term and may not be found in many dictionaries. However, it can be properly spelled using the International Phonetic Alphabet (IPA) transcription as /ˈmænʃənəri/. The first syllable is pronounced as "man," the second syllable is stressed with the "sh" sound, and the final syllable is pronounced as "nary." Despite not being a well-known word, its spelling can be properly explained by breaking down its phonetic pronunciation.