Compounds of がたい

• がたい
  (n) (sl) body build
• 忘れがたい
  (adj-i) unforgettable
  memorable
• 甲乙つけがたい
  (exp) it is difficult to say which of the two is better
• 甲乙付けがたい
  (exp) it is difficult to say which of the two is better
• 優劣つけがたい
  (exp) it's hard to choose (because both are excellent)