か弱い[kayowai] frail
ひ弱い[hiyowai] weak
意志薄弱[ishihakujaku] weak-willed
胃弱[ijaku] dyspepsia
虚弱[kyojaku] feebleness

強弱[kyoujaku] strength
弱い[yowai] weak
弱い者[yowaimono] weak person
弱い相互作用[yowaisougosayou] weak interaction (physics)

器用貧乏[kiyoubinbou] Jack of all trades and master of none
救貧[kyuuhin] poor relief
極貧[gokuhin] destitution
清貧[seihin] honourable poverty
赤貧[sekihin] extreme poverty

脳貧血[nouhinketsu] cerebral anemia
貧しい[mazushii] poor
貧家[hinka] poor home
貧寒[hinkan] destitution
貧窮[hinkyuu] great poverty