懸崖[kengai] overhanging cliff
断崖[dangai] palisade
海食崖[kaishokugai] sea cliff
崖崩れ[gakekuzure] landslide
崎崖[kigai] steepness of a mountain

断崖絶壁[dangaizeppeki] precipitous cliff
崖道[gakemichi] path along a cliff
崖っぷち[gakeppuchi] edge (e.g. of a cliff, precipice)
断層崖[dansougai] fault scarp

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