欺瞞[giman] deception
瞞す[damasu] to trick
瞞着[manchaku] deception
自己欺瞞[jikogiman] self-deception

欺瞞的[gimanteki] deceptive
欺瞞者[gimansha] deceiver
瞞着手段[manchakushudan] ruse
蟹瞞し[kanidamashi] porcelain crab (any decapod crustacean of family Porcellanidae)