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