Compounds of 坦

• 坦々
  (adj-na,n) level
  peaceful
• 坦懐
  (adj-na,n) level emotion
  frankness
• 坦坦
  (adj-na,n) level
  peaceful
• 平坦
  (adj-na,n) even
  flat
  level
• 虚心坦懐
  (n) with an open and calm mind
  with no preconceived notions
  without reserve
  frank
  candid