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