交喙[isuka] common crossbill (Loxia curvirostra)
烏喙骨[ukaikotsu] coracoid

交喙の嘴[isukanohashi] something contradictory and different from what one expected

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