Emulate a peacock is an expression that means to show off or display oneself in a proud and ostentatious manner. The two crossword solutions for this term are STRUT and PREEN, both of which are five-letter words. To STRUT is to walk with a proud, confident gait, while to PREEN is to groom oneself in a vain and self-satisfied way. Together, these two words capture the essence of the phrase 'emulate a peacock, ' which is to show off one's accomplishments or qualities in a boastful and attention-seeking manner.