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

脊髄[sekizui] spinal cord
脊椎[sekitsui] spine
脊椎動物[sekitsuidoubutsu] vertebrate
猫脊[nekoze] bent back
脊広[sebiro] business suit

脊骨[sebone] spine
脊負う[shou] to be burdened with
無脊椎動物[musekitsuidoubutsu] invertebrate
脊柱[sekichuu] spinal column