ドク

二, 亠, 土, 毋, 母

poison, virus, venom, germ, harm, injury, spite

毒(どく): (1) poison; toxicant (2) harm; evil influence (3) ill will; spite; malice (4) abusive language
中毒(ちゅうどく): (1) poisoning (2) addiction
消毒(しょうどく): disinfection; sterilization; sterilisation
気の毒(きのどく): pitiful; unfortunate; (a) pity
お気の毒に(おきのどくに): my sympathies; that's too bad; my condolences