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

亜熱帯[anettai] subtropics
悪熱[onetsu] fever following a chill
稲熱[imochi] rice blight
稲熱病[imochibyou] rice blight
炎熱[ennetsu] sweltering heat

温熱[onnetsu] hot fever
温熱性[onnetsusei] thermal
下熱[genetsu] lowering fever
加熱[kanetsu] heating
火熱[kanetsu] heat (from a flame)