The term 'arouse curiosity' can be broken down into three crossword solutions: INTEREST (8 letters), INTRIGUE (8 letters), and PIQUE (5 letters). All three words refer to the act of stimulating someone's curiosity, but they each have slightly different connotations. INTEREST is a general term that implies a mild curiosity or fascination with something. INTRIGUE is a more intense form of INTEREST, suggesting a mysterious or suspenseful quality. Finally, PIQUE is a French word that refers to a sudden, sharp feeling of curiosity or INTEREST.