密か

N1 厳密 gemmitsu strict, close N1 過密 kamitsu crowded N1 精密 seimitsu precise, exact, detailed, minute N1 密集 misshuu crowd, close formation, dense N1 密接 missetsu connected, close, intimate N1 密度 mitsudo density N3 密 mitsu dense, close, secret, intimate N3 秘密 himitsu secret, secrecy

N1 密 mitsu / hiso.ka secrecy, density (pop), minuteness