ガス欠[gasuketsu] running out of gasoline (petrol)
欠けがえのない[kakegaenonai] irreplaceable
間欠[kanketsu] intermittence
金欠[kinketsu] running out of money
欠かす[kakasu] to miss (doing)

欠く[kaku] to chip
欠け[kake] fragment
欠ける[kakeru] to be chipped
欠員[ketsuin] vacancy
欠課[kekka] cutting class

汚染除去[osenjokyo] decontamination
加減乗除[kagenjoujo] the four arithmetical operations (addition, subtraction, multiplication, division)
加除[kajo] insertion and deletion
加除式[kajoshiki] looseleaf
課税控除[kazeikoujo] tax exemption

解除[kaijo] cancellation
刈除[gaijo] removal
駆除[kujo] extermination
欠除[ketsujo] lusting
後述の場合を除き[koujutsunobaaiwonozoki] except as noted below