幻を追う[maboroshiwoou] to pursue an illusion
幻影[genei] phantom
幻覚[genkaku] hallucination
幻覚剤[genkakuzai] hallucinogen
幻姿[genshi] apparition

幻視[genshi] visual hallucination
幻想[gensou] illusions
幻想劇[gensougeki] non-realistic drama
幻像[genzou] phantom

バナナの皮[banananokawa] banana peel
一皮[hitokawa] unmasking
化の皮[bakenokawa] masking one's true character
化けの皮をはぐ[bakenokawawohagu] to unmask (someone's true nature)
果皮[kahi] pericarp (ripened ovary wall forming part of a fruit)

外皮[gaihi] investment (in the sense of outer layer)
角皮[kakuhi] cuticle
桜皮[kanba] birch (esp. Japanese white birch)
乾皮[kanpi] dried hides
雁皮紙[ganpishi] traditional Japanese paper made from the fibre of plant species Diplomorpha sikokiana (high quality, glossy)

雁の使い[karinotsukai] (a) letter
雁の文[karinofumi] (a) letter
雁の便り[karinotayori] (a) letter
雁行[gankou] the flight formation of geese
雁骨[kariganebone] scapula

雁字搦みに[ganjigaramini] (bind) firmly
雁首[karikubi] (something resembling a) goose's neck
雁首[gankubi] head of a pipe, incl. the bowl and stem attachment
雁書[gansho] letter
雁爪[ganzume] Japanese rake