Here's what rhymes with overestimation.
nation estimation destination automation damnation donation intimation stagnation summation aeration origination information education explanation formation generation duration station indication taxation violation agitation domination inflammation installation notation plantation temptation termination vegetation affirmation animation distillation fascination habitation narration negation ordination reformation sophistication starvation alternation appellation dispensation divination escalation germination intonation oration sedation vaccination ablation adulation defamation detonation dilation operation relation situation application combination creation foundation imagination integration location observation separation translation variation activation adaptation admiration deviation elevation exploration inflation innovation inspiration isolation migration motivation obligation restoration revelation rotation salvation sensation alienation allocation aspiration decoration delegation designation dissertation fixation hesitation imitation implication inclination indignation irrigation medication meditation nomination reservation resignation respiration saturation vacation ventilation vibration annihilation approbation assassination authorization aviation causation cessation dedication derivation desolation desperation dilatation excavation expiration federation fermentation insulation ionization litigation maturation mediation moderation modulation mutation oscillation probation subordination toleration validation veneration vocation aberration adjudication adoration allegation bifurcation citation consternation coronation emulation exclamation gestation hydration imputation inhalation innervation invocation iteration masturbation ovulation perforation perturbation punctuation recitation reclamation revocation sanitation subjugation ulceration urbanization vindication visitation population examination association circulation determination investigation legislation occupation preparation presentation publication radiation regulation reputation compensation correlation declaration expectation exploitation illustration immigration invitation liberation limitation preservation realization stimulation accommodation alteration anticipation assimilation celebration condemnation confirmation coordination deformation degeneration degradation elimination excitation frustration illumination initiation irritation navigation oxidation penetration proclamation propagation quotation regeneration segregation simulation speculation valuation accusation affiliation aggregation annexation attenuation certification compilation condensation denomination deprivation dissemination dissipation emigration evaporation fabrication filtration importation modernization optimization polarization replication retardation signification specialization affectation amalgamation amputation authentication capitulation castration commendation conformation connotation constellation constipation consummation culmination delineation demarcation denunciation deputation devastation elongation enumeration eradication exhortation exportation extermination fertilization fibrillation fluctuation implantation interpolation menstruation perspiration prolongation provocation refutation regurgitation renovation reparation sedimentation segmentation stipulation usurpation organization consideration civilization conversation cooperation corporation evaluation participation transformation appreciation conservation cultivation demonstration differentiation formulation implementation justification modification organisation orientation transportation acceleration appropriation approximation arbitration collaboration computation confrontation consolidation contamination contemplation manipulation negotiation recommendation recreation registration relaxation specification utilization calibration civilisation colonization complication consolation deliberation dislocation dissociation elaboration evacuation exaggeration fragmentation graduation humiliation incarnation incubation infiltration irradiation mobilization notification privatization pronunciation ratification realisation retaliation socialization stabilization verification abbreviation augmentation cancellation conciliation confederation crystallization dehydration deportation duplication elucidation exaltation hybridization immunization inauguration instrumentation interrogation intimidation liquidation relocation renunciation standardization sterilization supplementation utilisation visualization administration communication concentration classification identification representation accumulation calculation configuration discrimination characterization congregation consultation continuation depreciation deterioration documentation emancipation incorporation precipitation proliferation rehabilitation amplification articulation clarification coagulation disintegration generalization globalization gratification intoxication localization preoccupation purification remuneration stratification transplantation unification calcification categorization centralization confiscation conflagration consecration deregulation devaluation diversification gravitation inactivation inoculation magnetization mortification nationalization ornamentation personification polymerization refrigeration repudiation resuscitation simplification synchronization interpretation manifestation qualification reconciliation experimentation liberalization multiplication reorganization argumentation capitalization excommunication hospitalization intensification magnification normalization quantification rationalization conceptualization decentralization democratization industrialization misrepresentation Words that almost rhyme with overestimation
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