Compounds of 痛い

• 痛い
  (adj-i) (1) painful
  sore
  (adj-i,suf) (2) exceeding
  (P)
• 手痛い
  (adj-i) severe
  hard
  (P)
• 痛い目
  (n) painful experience
• 痛い損失
  (n) painful loss
• 頭が痛い
  (exp) having a headache
  racking one's brains
• 頭の痛い
  (adj-i) headache inducing
  vexing
• 片腹痛い
  (adj-i) ridiculous
  absurd
• 痛い痛い病
  (n) "ouch-ouch disease", caused by cadmium poisoning from industrial wastes in Toyama Prefecture
• 痛い目に遭わす
  (exp) to make a person sweat for it
• 痛い目に遭わせる
  (exp) to make (a person) pay for (something)