Erode, SPLINTER, SHATTER, and CRUMBLE are all terms used to describe the process of breaking or falling apart into fragments. ERODE is a five-letter word that means to wear away gradually by natural processes such as wind or water. SPLINTER is an eight-letter word that means to break or cause to break into small, sharp fragments. SHATTER is a seven-letter word that means to break suddenly and violently into many pieces. Finally, CRUMBLE is a seven-letter word that means to break or fall apart into small fragments. All of these words can be used to describe the process of breaking or falling apart into fragments.