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