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