lessen vs devaluate

Other hyponyms of lessen include break, shrink, shrivel, taper, drop off, fly, vanish, vaporize, break, ease off, ease up, flag, slacken off, weaken, boil down, concentrate, decoct, reduce, contract, shrink, shrink, shrivel, shrivel up, wither, abate, die away, let up, slack, slack off, deflate, dwindle, dwindle away, dwindle down, remit, de-escalate, depreciate, devalue, undervalue, shorten, thin out, decline, go down, wane, wane, wane, decelerate, retard, slow, slow down, slow up, decrescendo.