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

葭簀[yoshizu] reed screen
葭切[yoshikiri] reed warbler (esp. the great reed warbler, but also the black-browed reed warbler)

葭戸[yoshido] reed sliding door
葭障子[yoshishouji] reed sliding door