The term 'displayed cowardice' can be summarized by two crossword solutions: 'RAN' and 'chickened out'. 'RAN' is a verb meaning to move quickly on foot, usually in a panicked or frightened manner. 'Chickened out' is an idiom meaning to back out of something due to fear or lack of courage. Together, these two words describe the act of displaying cowardice, which is the act of showing fear or lack of courage in a situation.