山砦[sansai] mountain stronghold
城砦[jousai] fortress
砦を落とす[toridewootosu] to capture a fort

砦を築く[toridewokizuku] to construct a fort
鹿砦[rokusai] abatis

落っこちる[okkochiru] to fall down
お洒落[oshare] smartly dressed
ぽたぽた落ちる[potapotaochiru] to fall in drops
悪洒落[warujare] offensive joke
為落し[shiotoshi] omission

為落ち[shiochi] omission
為落す[shiotosu] to fail to do
一段落[ichidanraku] completing the first stage
猿も木から落ちる[sarumokikaraochiru] even monkeys fall from trees
下落[geraku] depreciation