Here's what rhymes with thermoinactivation.
nation station activation cessation gestation inactivation aeration deflation elation duration cultivation deviation inflation innovation sensation taxation dissertation fixation temptation vacation accusation aviation causation dissipation narration vocation bifurcation citation divination donation innervation iteration oration perforation sedation summation abdication aggravation amortization dictation information education operation relation situation creation formation generation foundation location observation occupation separation variation admiration elevation inspiration invitation isolation liberation motivation rotation salvation violation agitation anticipation arbitration aspiration decoration imitation initiation irrigation irritation notation oxidation quotation saturation vibration affirmation aggregation annexation derivation desolation desperation dilatation dislocation dissociation distillation evaporation federation insulation maturation moderation modulation 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consideration examination explanation interpretation civilization determination integration participation presentation regulation reputation calculation differentiation exploitation justification orientation stimulation accommodation alienation assimilation celebration characterization collaboration computation condemnation congregation consultation continuation coordination degradation deterioration elimination emancipation frustration illumination implication inclination penetration precipitation proclamation propagation recreation regeneration relaxation resignation segregation simulation specification utilization ventilation amplification annihilation articulation assassination attenuation calibration certification civilisation coagulation complication denomination emigration evacuation fermentation generalization gratification importation incarnation incubation infiltration intoxication localization mobilization notification optimization ratification replication retaliation 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