虚妄[kyomou] falsehood
軽挙妄動[keikyomoudou] rash and blind act
誇大妄想[kodaimousou] megalomania
誇大妄想狂[kodaimousoukyou] megalomania
被害妄想[higaimousou] persecution complex

迷妄[meimou] illusion
妄挙[boukyo] unreasonable actions
妄執[moushuu] deep-rooted delusion
妄念[mounen] conviction based on flawed ideas
妄弁[bouben] incoherent talk

謬る[ayamaru] to make a mistake
誤謬[gobyuu] fallacy
謬見[byuuken] fallacy
謬説[byuusetsu] fallacy
謬論[byuuron] fallacy

不謬性[fubyuusei] papal infallibility
謬伝[byuuden] false report (rumor, rumour)
帰謬法[kibyuuhou] reductio ad absurdum
合成の誤謬[gouseinogobyuu] fallacy of composition