錯覚 (さっかく)optical illusion; hallucination; misapprehension

optical illusion; hallucinationnoun (common) (futsuumeishi), noun or participle which takes the aux. verb suru
misapprehension; delusionnoun (common) (futsuumeishi), noun or participle which takes the aux. verb suru

錯覚, its kanji, and other words that share them.Open this graph

Kanji in 錯覚

試行錯誤しこうさくごtrial and error
時代錯誤じだいさくごanachronism
交錯こうさくmixture; blending
倒錯とうさくperversion
錯乱さくらんconfusion; distraction
錯綜さくそうcomplication; intricacy
錯誤さくごmistake; error
カフェウォール錯視カフェウォールさくしcafé wall illusion (optical illusion); Münsterberg illusion
感覚かんかくsense; sensation
覚悟かくごreadiness; preparedness
覚せい剤かくせいざいstimulant (e.g. psychoactive drugs like methamphetamine, ritalin, etc.)
自覚じかくself-consciousness; self-awareness
視覚しかくsense of sight; vision
発覚はっかくdetection (of a plot, fraud, etc.); discovery
覚書おぼえがきmemo; memorandum
味覚みかくtaste; palate

See how 錯覚 connects to the rest of Japanese.