coo / coup [ku:]
coo – interj., n. & v. – interj. – British slang, expressing surprise or incredulity; n. – a soft murmuring sound like that of a dove or pigeon; v. – 1. intr. make the sound of a coo; 2. tr. & intr. talk or say in a soft or amorous voice
coup – n. – 1. a notable or successful stoke or move; 2. a rebellion (successful or not) against the ruling leader or leaders of a state (= coup d’état); 3. among Plains Indian people, the act of touching an enemy in battle and escaping, considered an heroic act