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