過去【かこ】
the past, bygone days, one's past (that one would prefer remained secret), past (tense), preterit, preterite, previous life
去る【さる】
to leave, to go away, to pass, to elapse, to be distant, to send away, to drive off, to divorce, to (do) completely, last ... (e.g. "last April")
去年【きょねん】
last year
置き去り【おきざり】
leaving behind, desertion, abandonment
連れ去る【つれさる】
to take (someone) away, to carry off, to abduct, to kidnap
立ち去る【たちさる】
to leave, to depart, to take one's leave
死去【しきょ】
death, decease, passing away
消去【しょうきょ】
elimination, erasure, clearing, dissipating, melting away, elimination (of variables)
除去【じょきょ】
removal, getting rid of
撤去【てっきょ】
removal, taking away, dismantling (a building, facilities, etc.), withdrawal (of troops)
逝去【せいきょ】
death, passing
退去【たいきょ】
departure, leaving, going away, evacuation, recession
去来【きょらい】
coming and going, recurring (esp. thoughts)
去就【きょしゅう】
leaving or staying, (one's) course of action, (one's) position, (one's) attitude
消え去る【きえさる】
to disappear, to vanish
過ぎ去る【すぎさる】
to pass, to pass by
忘れ去る【わすれさる】
to forget completely, to leave behind
走り去る【はしりさる】
to run away, to run off
持ち去る【もちさる】
to take away, to carry away
崩れ去る【くずれさる】
to crumble away, to collapse