Backdating rhymes with:
accommodating, consolidating, intimidating, inundating, invalidating, liquidating, mandating, validating, abbreviating, abdicating, abrogating, accelerating, accentuating, accommodating, accumulating, activating, adjudicating, administrating, advocating, affiliating, aggravating, agitating, alienating, alleviating, allocating, alternating, amalgamating, annihilating, anticipating, appreciating, appropriating, approximating, arbitrating, articulating, asphyxiating, assassinating, assimilating, associating, authenticating, automating, calculating, captivating, castigating, castrating, celebrating, chlorinating, circulating, coagulating, collaborating, commemorating, communicating, compensating, complicating, concatenating, concentrating, confiscating, congratulating, consolidating, consummating, contaminating, contemplating, cooperating, coordinating, corroborating, culminating, cultivating, debilitating, decaffeinating, decelerating, decimating, decorating, dedicating, degenerating, delegating, deliberating, delineating, demonstrating, denigrating, deprecating, depreciating, deregulating, designating, deteriorating, detonating, devastating, deviating, dictating, differentiating, discriminating, disintegrating, disseminating, dissipating, domesticating, dominating, donating, duplicating, educating, elaborating, electroplating, elevating, eliminating, emaciating, emanating, emancipating, emigrating, emulating, encapsulating, enunciating, equivocating, eradicating, escalating, estimating, evacuating, evaluating, evaporating, exacerbating, exaggerating, exasperating, excavating, excoriating, excruciating, exhilarating, exonerating, extenuating, exterminating, extirpating, extrapolating, extricating, fabricating, facilitating, fascinating, fluctuating, formulating, frustrating, generating, graduating, gravitating, gyrating, hesitating, humiliating, hydrogenating, hyphenating, iceskating, illuminating, illustrating, imitating, immolating, impersonating, implicating, impregnating, inaugurating, incapacitating, incarcerating, incinerating, incorporating, incriminating, incubating, indicating, inebriating, infatuating, infiltrating, infuriating, ingratiating, initiating, innoculating, instantiating, instigating, insulating, integrating, interrogating, intimidating, intoxicating, inundating, invalidating, investigating, invigorating, irritating, isolating, laminating, legislating, levitating, liberating, liquidating, litigating, locating, lubricating, mandating, manipulating, marinating, masterbating, masturbating, mediating, medicating, meditating, migrating, misallocating, misappropriating, mitigating, moderating, motivating, mutilating, nauseating, navigating, necessitating, negotiating, nitrating, nominating, nonoperating, obligating, obliterating, obviating, officiating, operating, orchestrating, originating, oscillating, overestimating, overstating, participating, penetrating, percolating, perforating, permeating, permutating, perpetrating, perpetuating, placating, pontificating, populating, precipitating, predicating, predominating, procrastinating, prognosticating, proliferating, promulgating, propagating, pulsating, radiating, reactivating, reallocating, recalculating, reciprocating, recreating, recuperating, redecorating, reevaluating, regenerating, regulating, rehabilitating, reincorporating, reinvigorating, reiterating, rejuvenating, relegating, renegotiating, renovating, repatriating, replicating, repudiating, resonating, resuscitating, retaliating, reverberating, rotating, salivating, saturating, segregating, self-deprecating, self-perpetuating, separating, simulating, speculating, speedskating, stagnating, stimulating, stipulating, subordinating, suffocating, syndicating, tabulating, terminating, titillating, tolerating, truncating, underestimating, understating, undulating, urinating, vacillating, validating, venerating, ventilating
Backdating sounds like:
babysitting, bagdonas, basting, bastions, begetting, besetting, besting, bestowing, biosystems, boasting, bogdanowicz, bogdanski, boosting, boston's, bostonians, boycotting, busting