ストックホルム症候群[sutokkuhorumushoukougun] Stockholm syndrome
亜群[agun] subgroup
一群[ichigun] group
一群れ[hitomure] group
可換群[kakangun] Abelian group

魚群[gyogun] school of fish
繰込み群[kurikomigun] renormalisation group (physics)
群がる[muragaru] to swarm
群れ[mure] group

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