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