English Theasurus that shows all the ways the English word is translated from the original Greek and Hebrew.
English Theasurus from the Hebrew and Greek Strong's Dictionary
retain 2388 -- chazaq -- aid, amend, X calker, catch, cleave, confirm, be constant, constrain, continue, be of good (take) courage(-ous, -- ly), encourage(self), be established, fasten, force, fortify, make hard, harden, help,(lay) hold (fast), lean, maintain, play the man, mend, become (wax) mighty,prevail, be recovered, repair, {retain}, seize, be (wax) sore, strengthen(self), be stout, be (make, shew, wax) strong(-er), be sure, take (hold),be urgent, behave self valiantly, withstand.
retain 2722 ** katecho ** have, hold (fast), keep (in memory), let, X make toward,possess, {retain}, seize on, stay, take, withhold.
retain 2902 ** krateo ** hold (by, fast), keep, lay hand (hold) on, obtain, {retain},take (by).
retain 3607 -- kala/ -- finish, forbid, keep (back), refrain, restrain, {retain},shut up, be stayed, withhold
retain 6113 -- \atsar -- X be able, close up, detain, fast, keep (self close, still),prevail, recover, refrain, X reign, restrain, {retain}, shut (up), slack,stay, stop, withhold (self).
retain 8551 -- tamak -- (take, up-)hold (up), maintain, {retain}, stay (up).