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