Here's what rhymes with undervalued.

Consider these alternatives

overvalued / valued undervalues / values grossly / closely unfair / their undervaluing / valuing overpaid / made valuations / relations devalued / valued exporters / disorders undervalue / value underappreciated / dated depreciated / dated devalue / value underpaid / made devaluing / valuing contend / went depreciate / state cheaper / teacher overrated / dated revaluation / relation pegged / effect underrated / dated undercut / but unattractive / attractive peg / check underrepresented / prevented disadvantage / advantage revalue / value understates / states underused / used hurts / words denominated / dated