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