罄 ⇒
罄 qìng, to use up/to exhaust/empty
罄竹难书 qìngzhúnánshū, [罄竹難書], so many that the bamboo slats have been exhausted/innumerable crimes (idiom)/see...
告罄 gàoqìng, to run out/to have exhausted
匮 ⇒
匮乏 kuìfá, [匱乏], to be deficient in sth/to be short of sth (supplies, money etc)
匮 Kuì/guì/kuì, [匱], surname Kui, variant of 櫃|柜[guì], to lack/lacking/empty/exhausted