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
死去【しきょ】
death, decease, passing away
撤去【てっきょ】
removal, taking away, dismantling (a building, facilities, etc.), withdrawal (of troops)
退去【たいきょ】
departure, leaving, going away, evacuation, recession
去就【きょしゅう】
leaving or staying, (one's) course of action, (one's) position, (one's) attitude
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
過ぎ去る【すぎさる】
to pass, to pass by
消え去る【きえさる】
to disappear, to vanish
持ち去る【もちさる】
to take away, to carry away
逝去【せいきょ】
death, passing
崩れ去る【くずれさる】
to crumble away, to collapse
去勢【きょせい】
castration, neutering, gelding, sterilization, enervation, emasculation, taming
去来【きょらい】
coming and going, recurring (esp. thoughts)
飛び去る【とびさる】
to fly away, to flee away, to scatter
消し去る【けしさる】
to get rid of, to erase, to dispel, to eradicate, to wipe away
抜き去る【ぬきさる】
to pass, to overtake, to leave behind, to pull out, to extract, to remove, to take away
葬り去る【ほうむりさる】
to consign to oblivion