嗅ぎ出す[kagidasu] to scent out
嗅ぎつける[kagitsukeru] to sniff out
嗅ぎ分ける[kagiwakeru] to scent out
嗅ぐ[kagu] to sniff
嗅覚[kyuukaku] sense of smell

嗅神経[kyuushinkei] olfactory nerve
嗅煙草[kagitabako] snuff
嗅ぎ当てる[kagiateru] to sniff out
嗅ぎ回る[kagimawaru] to sniff around (looking for)
見る目嗅ぐ鼻[mirumekaguhana] Yama's pole with a human head on the top (able to discern good and evil of the dead)

愛煙家[aienka] heavy smoker
煙い[kemui] smoky
煙たい[kemutai] smoky
煙たがる[kemutagaru] to be sensitive to smoke
煙る[kemuru] to smoke (e.g. fire)

煙雨[enu] misty, fine or drizzling rain
煙火[enka] smoke and fumes (e.g. from cooking)
煙霞[enka] smoke and mist
煙害[engai] smoke pollution

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