一進一退[isshinittai] now advancing and now retreating
引退[intai] retire
隠退[intai] retirement
隠退生活[intaiseikatsu] secluded life
遠退く[toonoku] to become distant

遠退ける[toonokeru] to keep (someone) at a distance
押し退ける[oshinokeru] to push aside
撃退[gekitai] repulse
減退[gentai] decline
後退[koutai] retreat

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