The term 'Capital Peru' refers to the country of Peru and its capital city, LIMA. LIMA is a four-letter word in the crossword puzzle, and it is the largest city in Peru and the capital of the country. CUZCO is another five-letter word in the crossword puzzle, and it is an ancient Incan city located in the Andes Mountains of Peru. The INCA were the indigenous people of Peru, and their empire was one of the largest in the world at its peak. The Incas are represented by two words in the crossword puzzle: INCA (four letters) and Incas (five letters).