Compounds of こもる

• 引きこもる
  (v5r,vi) to stay indoors
  to be confined indoors
• 陰にこもる
  (exp) (1) to stay bottled up inside oneself
  to be introverted
  (2) to have a melancholic appearance, atmosphere (of a person, object, place)
  to have a gloomy appearance
• 閉じこもる
  (v5r,vi) to seclude oneself
  to shut oneself away
  (P)
• 立てこもる
  (v5r,vi) to barricade oneself in
  to hold (a fort, etc.)
  to shut oneself up
  to be besieged
  to dig in
• 蛸壺にこもる
  (exp) to be trapped in an octopus pot
• 鮹壷にこもる
  (exp) to be trapped in an octopus pot