歉 ⇒

• 欠         qiàn, deficient/to owe/to lack/yawn
• 兼         jiān, double/twice/simultaneous/holding two or more (official) posts at the same time
  • 秝         
    • 禾         hé, cereal/grain
      • 木         Mù/mù, surname Mu, tree/wood/coffin/wooden/simple/numb/one of the eight categories of a...
      • 丿         piě, radical in Chinese characters (Kangxi radical 4)/see 撇[piě]
  • 肀         

疚 ⇒

• 久         jiǔ, (long) time/(long) duration of time
• 疒         nè, sick/sickness/Kang Xi radical 104/also pr. [chuáng]
  • 广         yǎn/Guǎng/guǎng, [廣], "house on a cliff" radical in Chinese characters (Kangxi radical 53), occurring ...
  • 冫         bīng, "ice" radical in Chinese characters (Kangxi radical 15), occurring in 冰, 决, 次/se...

歉 ⇒

疚 ⇒

歉 ⇒
抱歉         bàoqiàn, to be sorry/to feel apologetic/sorry!
道歉         dàoqiàn, to apologize
歉意         qiànyì, apology/regret
歉         qiàn, to apologize/to regret/deficient
致歉         zhìqiàn, to apologize/to express regret
歉疚         qiànjiù, remorseful/guilt-ridden
赔礼道歉         
歉收         qiànshōu, crop failure/poor harvest

疚 ⇒
内疚         nèijiù, [內疚], guilty conscience/to feel a twinge of guilt
愧疚         kuìjiù, to feel guilty/to feel ashamed of oneself/to be remorseful
负疚         fùjiù, [負疚], (literary) to feel apologetic/to feel guilty
歉疚         qiànjiù, remorseful/guilt-ridden
疚         jiù, chronic disease/guilt/remorse