Compounds of 欠く

• 欠く
  (v5k,vt) to lack
  to break
  to crack
  to chip
  (P)
• 事欠く
  (v5k,vi) to lack
• 切欠く
  (v5k) to (cut a) notch (in)
• 打っ欠く
  (v5k,vt) to break into pieces
  to chip off
• 義理を欠く
  (exp) to fail in one's social duties