The spelling of the word "Mostic" may seem unusual, but it can be explained phonetically using the International Phonetic Alphabet (IPA). The first syllable is pronounced /mɒs/ with a short O sound followed by an S sound. The second syllable is pronounced /tɪk/, with a short I sound followed by a K sound. When pronounced together, the word sounds like /ˈmɒstɪk/. While the word may not be a common one, understanding its phonetic spelling can help with proper pronunciation.