退役 （タイエキ） retiring from military service

退院 （タイイン） leaving hospital, discharge from hospital

進退 （シンタイ） advance or retreat, moving forwards or backwards, movement, course of action, behaviour, conduct, attitude, remaining in one's post or resigning, staying or leaving

勇退 （ユウタイ） retiring voluntarily, resigning one's post (to make way for others), stepping down, bowing out

退く （しりぞく） to step back, to move back, to retreat, to withdraw (from the presence of a superior), to leave, to exit, to resign, to retire, to quit, to concede

退ける （しりぞける） to refuse, to reject, to turn down, to dismiss, to repel, to repulse, to drive away, to beat off, to defeat, to make (someone) leave, to send away, to turn away, to force (someone) to leave their post, to oust, to remove, to expel

退く （ひく） to move back, to draw back, to recede, to fall back, to retreat, to lessen, to subside, to ebb, to go down (e.g. of swelling), to resign, to retire, to quit

退く （どく） to step aside, to move (i.e. out of the way), to make way, to resign, to retire, to quit, to secede

退ける （のける） to put something out of the way, to move (something, someone) aside, to remove, to exclude, to take away, to set aside, to keep apart, to remove (someone) from the group, to shun, to do well despite difficulties, to accomplish despite adversity, to do resolutely, to do boldly

退く （どく） to step aside, to move (i.e. out of the way), to make way, to resign, to retire, to quit, to secede