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