医療保険[iryouhoken] medical-care insurance
陰険[inken] tricky
火災保険[kasaihoken] fire insurance
危険[kiken] danger
危険因子[kikeninshi] risk factor

危険角度[kikenkakudo] critical angle
危険思想[kikenshisou] dangerous thoughts
危険視[kikenshi] regarded as dangerous
危険信号[kikenshingou] danger signal
危険人物[kikenjinbutsu] dangerous character