億兆[okuchou] the people
吉兆[kicchou] lucky omen
凶兆[kyouchou] evil omen
衰兆[suichou] signs of decline
兆す[kizasu] to show signs (symptoms)

兆民[choumin] the whole nation
兆し[kizashi] signs
前兆[zenchou] omen
兆候[choukou] sign

瑞西[suisu] Switzerland
瑞典[suweeden] Sweden
奇瑞[kizui] auspicious (good) omen
瑞瑞しい[mizumizushii] young (and lustrous)
瑞気[zuiki] good omen

瑞穂の国[mizuhonokuni] Japan, the Land of Abundant Rice
瑞兆[zuichou] auspicious sign
瑞祥[zuishou] auspicious sign
瑞雲[zuiun] auspicious clouds
瑞宝章[zuihoushou] Orders of the Sacred Treasure