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

舳艫千里[jikurosenri] a large number of ships sailing in a long chain-like formation
艫綱[tomozuna] stern line

艫座[tomoza] Puppis (constellation)