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