The spelling of the word "most shattery" can be confusing due to the unusual combination of letters. However, it can be broken down phonetically as /moʊst ˈʃæt ə ri/. The "o" in "most" is pronounced as a long "o" sound, while the "a" in "shattery" is pronounced as a short "a" sound. The combination of "tt" and "er" in "shattery" together create the sound of a double "t" followed by an "er" sound. This word is not commonly used in everyday speech, but understanding its spelling can help with proper pronunciation.