노약자elderly or infirm people 노약자석seat for the elderly and infirm 약점weakness; shortcoming 취약weakness; frailty; fragility 취약성weakness; frailty; fragility; vulnerability 취약점vulnerable point 허약weakness; fragility; feebleness 강약strength and weakness 문약feeble state due to literary indulgence 박약feebleness

골반pelvis 치골pubis; pubic bone 탈골dislocation; luxation 피골skin and bones 해골skeleton 각골난망remembering forever 강골person of sturdy constitution 견갑골shoulder blade; scapula 골다공증osteoporosis 골동antique