冥い[kurai] dark
頑冥[ganmei] bigotry
冥王星[meiousei] Pluto (dwarf planet)
冥界[meikai] hades
冥境[meikyou] shades of the dead

冥途[meido] Hades
冥罰[meibatsu] retribution
冥府[meifu] hades
冥福[meifuku] happiness in the next world
冥利[myouri] providence

昏い[kurai] dark
昏睡[konsui] lethargy
昏睡状態[konsuijoutai] lethargic state
昏倒[kontou] swoon
昏迷[konmei] stupefaction

黄昏[tasogare] dusk
昏々[konkon] fast asleep
昏迷状態[konmeijoutai] befuddled (bewildered, confused) state
黄昏れる[tasogareru] to fade into dusk
昏冥[konmei] darkness