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

Words that almost rhyme with undertheorization

haven hasten occasion basin evasion invasion persuasion equation

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