今宵[koyoi] this evening
春宵[shunshou] spring evening
宵の口[yoinokuchi] nightfall
宵越し[yoigoshi] (kept) overnight
徹宵[tesshou] all night

半宵[hanshou] midnight
宵宮[yomiya] eve of a festival vigil
宵っ張り[yoippari] night owl
宵積み[yoizumi] goods loaded in the afternoon for delivery the following morning

お待ち遠さま[omachidoosama] I'm sorry to have kept you waiting
果報は寝て待て[kahouhanetemate] All things come to those who wait
歓待[kantai] warm reception
期待[kitai] expectation
期待値[kitaichi] expected value

期待どおり[kitaidoori] as expected (positive events)
虐待[gyakutai] abuse
供待ち[tomomachi] attendant's waiting room
最恵国待遇[saikeikokutaiguu] most favored nation
請待[shoudai] invitation

草臥れる[kutabireru] to get tired
遺草[isou] posthumous works
一年草[ichinensou] annual (plant)
詠草[eisou] draft poem
下草[shitakusa] undergrowth

仮名草紙[kanazoushi] story in the kana
伽草子[togizoushi] fairy-tale book
海草[kaisou] marine plant
乾草[kansou] hay
甘草[kanzou] liquorice