撤退【てったい】
evacuation, withdrawal, revocation, repeal, retreat
撤回【てっかい】
withdrawal, retraction, revocation, repeal
撤廃【てっぱい】
annulment, abolition, repeal, rescission
撤兵【てっぺい】
withdrawal of troops
撤去【てっきょ】
removal, taking away, dismantling (a building, facilities, etc.), withdrawal (of troops)
撤収【てっしゅう】
removal (of a building, equipment, etc.), dismantling (e.g. a tent), striking (a stage set, camp, etc.), withdrawal (of troops), pulling out, evacuation, retreat