The term 'thrill to pieces' can be summarized by two crossword solutions: 'DELIGHT' (7 letters) and 'ELATE' (5 letters). Both words refer to a feeling of intense joy or excitement. DELIGHT is a more general term, referring to any kind of pleasure or satisfaction, while ELATE is more specific, referring to a feeling of great joy or pride. Both words can be used to describe the same emotion, but ELATE is usually used to describe a more intense feeling.