御古[ofuru] used article (esp. clothes)
手古摺る[tekozuru] to have much trouble
土耳古[toruko] Turkey
下稽古[shitageiko] rehearsal
懐古[kaiko] recalling the old days

擬古[giko] imitation of classical styles
擬古文[gikobun] classical style
稽古[keiko] practice
遠古登点[wokototen] marks to aid in reading Chinese classics
古え[inishie] antiquity

惚け[boke] idiot
一目惚れ[hitomebore] to be taken with someone at first sight (similar to "love at first sight", but not as strong)
惚ける[houkeru] to grow senile
惚れる[horeru] to fall in love
惚れ惚れ[horebore] fondly

惚れ込む[horekomu] to be charmed by
惚気る[norokeru] to play up
時差惚け[jisaboke] jet-lag
自惚[unubore] pretension
自惚れる[unuboreru] to be conceited