怪盗[kaitou] mysterious (phantom) thief
巨盗[kyotou] big-time robber
強盗[goutou] robber
強盗にはいる[goutounihairu] to commit a robbery
群盗[guntou] group (gang) of robbers

劫盗[goutou] highway robber
三重盗[sanjuutou] triple steal (baseball)
切り取り強盗[kiritorigoutou] violent robbery or burglary
窃盗[settou] theft
窃盗罪[settouzai] theft

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