The term 'BE MADE UP OF' can be summarized by two crossword solutions: CONSIST (7 letters) and SIST (4 letters). CONSIST means to be composed of the same or similar parts, while sist means to be composed of different parts. Both words imply that something is made up of multiple components, but they differ in that CONSIST implies that the components are the same or similar, while sist implies that the components are different.