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