Here's what rhymes with understimating.
mating waiting dating rating weighting hating baiting gating underestimating relating awaiting generating stating estimating originating debating grating imitating plating equating skating bleating dilating narrating negating permeating abating automating deflating hibernating inflating innovating plaiting creating operating indicating alternating fascinating separating stimulating dominating initiating associating educating emanating insulating irritating liberating mediating terminating updating agitating animating assimilating decorating designating officiating dedicating degenerating delineating deviating dissipating enumerating fabricating germinating intimating irrigating moderating perforating postulating saturating tolerating adjudicating antedating collating enervating impersonating nauseating obviating prostrating ruminating scintillating situating undeviating urinating participating penetrating advocating contemplating cultivating devastating eliminating illuminating illustrating integrating translating accelerating activating anticipating elevating isolating motivating propagating radiating undulating alienating alleviating allocating captivating debilitating disseminating elaborating escalating evaporating hesitating intimidating invigorating meditating mitigating modulating navigating necessitating nominating oscillating perpetuating regenerating simulating suffocating validating annihilating delegating deliberating duplicating emigrating emulating implicating incubating legislating legitimating obliterating reiterating replicating segregating stipulating vacillating ventilating vindicating actuating attenuating corroborating denigrating desolating dissociating enunciating fulminating inaugurating instigating interpolating masturbating menstruating percolating perpetrating reinstating renovating resonating restating subjugating supplicating unhesitating circulating demonstrating evaluating concentrating facilitating incorporating investigating negotiating accommodating appreciating celebrating compensating cooperating coordinating culminating deteriorating differentiating discriminating fluctuating formulating graduating humiliating intoxicating precipitating aggravating appropriating approximating articulating collaborating commemorating exaggerating exhilarating lubricating predominating proliferating speculating aggregating ameliorating conciliating contaminating deprecating elucidating eradicating excavating exterminating interrogating liquidating recreating refrigerating subordinating accentuating amalgamating authenticating confiscating depreciating emancipating explicating extenuating extricating gravitating inactivating infuriating ingratiating inoculating invalidating mutilating preponderating promulgating recuperating relegating reverberating substantiating tabulating communicating regulating accumulating complicating manipulating congratulating consolidating disintegrating reciprocating evacuating exasperating incriminating repudiating consecrating encapsulating exacerbating incapacitating recirculating rehabilitating remonstrating calculating excruciating coagulating extrapolating electroplating Words that almost rhyme with understimating
engaging shaping fading invading raging gaping lading shading evading raiding wading waging gauging paging raping taping trading escaping grading staging degrading pervading parading braiding draping persuading scraping upgrading blockading reshaping disengaging downgrading upbraiding cascading crusading masquerading making naming mailing nailing maiming neighing taking saying painting raising remaining facing laying paying saving amazing failing gaining sailing shaking weighing baking bathing gazing racing waking wasting waving basing behaving casing chasing delaying detailing fainting gaming pacing paving railing raining reigning shaving tasting wailing waning raking raving whaling chafing chaining debasing detaining effacing entailing erasing feigning hailing inhaling pasting phasing tailing taming veiling bailing basting baying bewailing caving denaturing faking haying hazing shaming waiving training breaking changing playing placing prevailing ranging claiming pertaining praying retaining staying arranging attaining blazing embracing engraving framing grazing modelling scaling spacing staining tracing betraying blaming bracing craving decaying draining flaming obeying praising spraying straining swaying trailing braking glazing phrasing regaining scathing slaying unfailing assailing availing awaking flaking plaything preying quaking remaking renaming staking straying unveiling allaying assaying braving braying buffeting craning declaiming defraying disdaining flailing graying inflaming plaguing strafing containing maintaining obtaining replacing conveying displaying surveying sustaining campaigning unchanging appertaining appraising displacing mistaking partaking unavailing abstaining acquainting curtailing disobeying forsaking interlacing mainspring refraining repaying disclaiming ordaining revelling explaining undertaking complaining entertaining ascertaining exchanging proclaiming restraining constraining exclaiming portraying retraining overtaking rearranging reclaiming remodelling interchanging overgrazing retracing uncomplaining countervailing paraphrasing