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