昧爽 （マイソウ） dawn

昧旦 （マイタン） dawn, daybreak

三昧 （サンマイ） samadhi (state of intense concentration achieved through meditation), being immersed in, being absorbed in, indulging in, doing to one's heart's content, prone to, apt to

蒙昧 （モウマイ） ignorance, (lack of) enlightenment or civilization (civilisation), unenlightened, uncivilized, uncivilised