偽金[nisegane] counterfeit money
偽首[nisekubi] falsified severed head
偽り[itsuwari] lie
偽り語る[itsuwarikataru] to speak falsely
偽り者[itsuwarimono] impostor

偽り誓う[itsuwarichikau] to swear falsely
偽る[itsuwaru] to lie
偽悪[giaku] pretense of evil
偽印[giin] forged seal

哀史[aishi] sad story or history
医学史[igakushi] history of medicine
音楽史[ongakushi] music history
偽史[gishi] falsified history
教会史[kyoukaishi] church history

近代史[kindaishi] modern history
古史[koshi] ancient history
古代史[kodaishi] ancient history
国史[kokushi] history of a nation
史家[shika] historian