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

Words that almost rhyme with underaspiration

occasion haven basin hasten persuasion evasion equation invasion

taken pagan shaken awaken bacon laden maiden layman laymen shaman straighten undertaken patron salesman contagion forsaken overtaken tradesmen mistaken statesman