Compounds of お邪魔

• お邪魔
  (n,vs) (pol) hindrance
  intrusion (suru and itasu verb forms are used as set phrases said prior to entering or leaving someone's home)
• お邪魔虫
  (n) someone who gets in the way without serving any useful purpose
  fly in the ointment
  buttinsky
  third wheel
• お邪魔します
  (exp) (1) excuse me for disturbing (interrupting) you
  (2) greeting used on going to someone's home