The following article introduces a helpful list of 780+ words that end with -ation. The ending -ation is a suffix that we add to the end of a word to change its meaning. This suffix mainly turns a verb into a noun that shows action or condition. For example, the word “restore” is a verb; we can add the suffix -ation to turn it into a noun, i.e., “restoration,” which means a process of returning something to its earlier good condition.
What Are Words Ending with -ation?
Words ending with “-ation” can vary in length. You might have probably heard of many words that end with the suffix “-ation” before, like “acceleration,” it is derived from the word accelerate, which means something goes faster. The words included in the list below are nouns. Using the list will improve your vocabulary.
Must Learn: List of Words that End with -Ous

- Acclimatization
- Americanization
- Centralization
- Characterization
- Circumnavigation
- Commercialization
- Computerization
- Cross-Contamination
- Cross-Examination
- Cross-Fertilization
- Crystallization
- Decentralization
- Decontamination
- Deindustrialization
- Demilitarization
- Democratization
- Denationalization
- Depoliticization
- Depressurization
- Desensitization
- Destabilization
- Differentiation
- Disapprobation
- Discontinuation
- Discontinuation
- Disembarkation
- Disorganization
- Elation
- Experimentation
- Externalization
- Fictionalization
- Generalization
- Hospitalization
- Hyperventilation
- Industrialization
- Instrumentation
- Insubordination
- Internalization
- Internationalization
- Maladministration
- Marginalization
- Materialization
- Misappropriation
- Misinterpretation
- Mispronunciation
- Misrepresentation
- Monopolization
- Nation
- Nationalization
- Non-Proliferation
- Oration
- Ovation
- Predetermination
- Procrastination
- Ration
- Rationalization
- Reafforestation
- Reconsideration
- Reorganization
- Representation
- Self-Congratulation
- Self-Determination
- Self-Incrimination
- Self-Preservation
- Self-Regulation
- Standardization
- Station
- Synchronization
- Systematization
- Transfiguration
- Transliteration
- Transplantation
- Transubstantiation
List of Words that End in Cation

- Adjudication
- Allocation
- Altercation
- Amplification
- Application
- Authentication
- Beatification
- Beautification
- Certification
- Clarification
- Classification
- Co-Education
- Collocation
- Communication
- Complication
- Confiscation
- Contraindication
- Convocation
- Declassification
- Dedication
- Defecation
- Deification
- Demarcation
- Denitrification
- Deprecation
- Desertification
- Desiccation
- Detoxification
- Dislocation
- Disqualification
- Diversification
- Duplication
- Edification
- Education
- Electrification
- Embrocation
- Equivocation
- Eradication
- Evocation
- Excommunication
- Exemplification
- Explication
- Extrication
- Fabrication
- Falsification
- Fornication
- Fortification
- Gentrification
- Geolocation
- Glorification
- Gratification
- Identification
- Implication
- Imprecation
- Inculcation
- Indication
- Intensification
- Intoxication
- Invocation
- Jollification
- Justification
- Lubrication
- Magnification
- Mastication
- Medication
- Metrication
- Misapplication
- Miscommunication
- Modification
- Mortification
- Multiplication
- Mystification
- Nitrification
- Notification
- Obfuscation
- Objectification
- Ossification
- Oversimplification
- Pacification
- Personification
- Prefabrication
- Prevarication
- Provocation
- Publication
- Purification
- Qualification
- Quantification
- Ramification
- Ratification
- Reciprocation
- Rectification
- Relocation
- Replication
- Reunification
- Revocation
- Sanctification
- Self-Certification
- Self-Deprecation
- Signification
- Simplification
- Solidification
- Sophistication
- Specification
- Stratification
- Suffocation
- Supplication
- Syndication
- Transmogrification
- Truncation
- Unification
- Verification
- Vilification
- Vindication
- Vocation
8-Letter Words Ending in ation
- Ablation
- Aviation
- Citation
- Duration
- Fixation
- Gyration
- Legation
- Libation
- Libation
- Negation
- Notation
- Relation
- Religion
- Rotation
- Sedation
- Taxation
- Trillion
- Vexation
- Volition
- Location
- Vacation
- Mutation
- Creation
- Dilation
- Donation
9-Letter Words Ending in ation

- Adoration
- Adulation
- Agitation
- Animation
- Automaton
- Carnation
- Causation
- Cessation
- Collation
- Cremation
- Damnation
- Deflation
- Deviation
- Dictation
- Elevation
- Emanation
- Emulation
- Equation
- Expiation
- Flotation
- Formation
- Gestation
- Gradation
- Imitation
- Inflation
- Isolation
- Iteration
- Lactation
- Mediation
- Migration
- Narration
- Operation
- Ovulation
- Privation
- Probation
- Pulsation
- Quotation
- Radiation
- Reflation
- Ruination
- Sensation
- Situation
- Striation
- Variation
- Vibration
- Violation
10-Letter Words that End with ation
- Aberration
- Abrogation
- Accusation
- Activation
- Adaptation
- Admiration
- Alienation
- Allegation
- Alteration
- Amputation
- Annexation
- Annotation
- Aspiration
- Automation
- Capitation
- Castration
- Coloration
- Cogitation
- Conflation
- Copulation
- Coronation
- Decoration
- Defamation
- Desolation
- Deputation
- Detonation
- Divination
- Emaciation
- Emendation
- Emigration
- Escalation
- Estimation
- Evacuation
- Evaluation
- Exaltation
- Excavation
- Exhumation
- Exultation
- Federation
- Filtration
- Floatation
- Foundation
- Fumigation
- Generation
- Glaciation
- Graduation
- Hesitation
- Indexation
- Inhalation
- Initiation
- Innovation
- Insulation
- Immolation
- Intonation
- Inundation
- Ionization
- Jubilation
- Laceration
- Levitation
- Liberation
- Levitation
- Litigation
- Maturation
- Meditation
- Mitigation
- Motivation
- Mutilation
- Nomination
- Occupation
- Ordination
- Pagination
- Recreation
- Refutation
- Regulation
- Population
- Irritation
- Relaxation
- Relegation
- Reparation
- Reputation
- Revelation
- Salutation
- Salvation
- Sanitation
- Separation
- Simulation
- Stagnation
- Substation
- Temptation
- Titration
- Recitation
- Ulceration
- Urination
- Valuation
- Vegetation
- Veneration
- Visitation
11-Letter Words that End with ation
- Abomination
- Acclamation
- Adulteration
- Adumbration
- Affectation
- Affiliation
- Affirmation
- Aggravation
- Aggregation
- Appellation
- Approbation
- Alleviation
- Arbitration
- Assignation
- Association
- Attenuation
- Attestation
- Botheration
- Calculation
- Calibration
- Celebration
- Cerebration
- Circulation
- Combination
- Commutation
- Compilation
- Congregation
- Conjugation
- Connotation
- Consolation
- Consumption
- Culmination
- Cultivation
- Declamation
- Defoliation
- Deformation
- Degradation
- Dehydration
- Delectation
- Delegation
- Delineation
- Denigration
- Deportation
- Depredation
- Deprivation
- Derivation
- Desecration
- Designation
- Desperation
- Conurbation
- Cooperation
- Corporation
- Correlation
- Detestation
- Devaluation
- Devastation
- Disputation
- Dissipation
- Domination
- Ejaculation
- Elaboration
- Elimination
- Elongation
- Elucidation
- Embarkation
- Enumeration
- Enunciation
- Evaporation
- Examination
- Exclamation
- Exfoliation
- Exhalation
- Exhortation
- Exoneration
- Expectation
- Explanation
- Exploration
- Exportation
- Expurgation
- Extenuation
- Extirpation
- Fascination
- Flirtation
- Formulation
- Germination
- Gravitation
- Habitation
- Hibernation
- Humiliation
- Hyphenation
- Immigration
- Imputation
- Incantation
- Inclination
- Incubation
- Indentation
- Indignation
- Inebriation
- Infatuation
- Inoculation
- Insinuation
- Instigation
- Integration
- Intimation
- Invitation
- Irradiation
- Irrigation
- Lamentation
- Legislation
- Liberation
- Liquidation
- Moderation
- Modulation
- Molestation
- Navigation
- Negotiation
- Obligation
- Orientation
- Oscillation
- Ostentation
- Oxidization
- Penetration
- Permutation
- Pollination
- Propagation
- Prostration
- Realization
- Recantation
- Reclamation
- Reformation
- Reiteration
- Renovation
- Repudiation
- Reservation
- Restoration
- Retaliation
- Retardation
- Saturation
- Speculation
- Starvation
- Stimulation
- Stipulation
- Subjugation
- Syncopation
- Termination
- Translation
- Tribulation
- Vacillation
- Validation
- Variegation
- Vivisection
- Workstation
12-Letter Words Ending in ation

- Acceleration
- Accentuation
- Accumulation
- Alliteration
- Amalgamation
- Amelioration
- Amortization
- Annihilation
- Anticipation
- Appreciation
- Articulation
- Asphyxiation
- Assimilation
- Augmentation
- Cancellation
- Capitulation
- Civilization
- Cohabitation
- Colonization
- Commendation
- Compensation
- Conciliation
- Condemnation
- Condensation
- Confirmation
- Consecration
- Conservation
- Constipation
- Consultation
- Consummation
- Continuation
- Conversation
- Coordination
- Deliberation
- Denomination
- Denunciation
- Depopulation
- Deregulation
- Desalination
- Destination
- Dilapidation
- Dispensation
- Dissertation
- Dissociation
- Distillation
- Emancipation
- Encrustation
- Equalization
- Exacerbation
- Exaggeration
- Exhilaration
- Exploitation
- Fermentation
- Finalization
- Flagellation
- Fluctuation
- Fluoridation
- Frustration
- Fulmination
- Humanization
- Idealization
- Illumination
- Illustration
- Imagination
- Immunization
- Inauguration
- Incarnation
- Incrustation
- Infestation
- Infiltration
- Inflammation
- Information
- Insemination
- Inspiration
- Installation
- Invalidation
- Legalization
- Limitation
- Lionization
- Malformation
- Manipulation
- Masturbation
- Maximization
- Minimization
- Misquotation
- Mobilization
- Obliteration
- Observation
- Organization
- Perpetuation
- Perspiration
- Perturbation
- Preparation
- Preservation
- Proclamation
- Procreation
- Prolongation
- Promulgation
- Protestation
- Punctuation
- Recuperation
- Redecoration
- Regeneration
- Registration
- Rejuvenation
- Remuneration
- Renunciation
- Repatriation
- Resignation
- Reticulation
- Sanitization
- Segmentation
- Segregation
- Solicitation
- Stagflation
- Sublimation
- Tessellation
- Titillation
- Trepidation
- Unionization
- Urbanization
- Utilization
- Vaccination
- Ventilation
- Vituperation
- Deactivation
- Decapitation
- Degeneration
13-Letter Words Ending with tion
- Accommodation
- Accreditation
- Afforestation
- Agglomeration
- Appropriation
- Approximation
- Assassination
- Collaboration
- Commemoration
- Commiseration
- Concatenation
- Concentration
- Confederation
- Configuration
- Conflagration
- Confrontation
- Consideration
- Consolidation
- Constellation
- Consternation
- Contamination
- Contemplation
- Customization
- Demonstration
- Depreciation
- Desegregation
- Dissemination
- Documentation
- Dramatization
- Emasculation
- Encapsulation
- Evisceration
- Exasperation
- Expostulation
- Expropriation
- Extermination
- Extrapolation
- Fertilization
- Fossilization
- Gesticulation
- Globalization
- Hallucination
- Harmonization
- Hydrogenation
- Improvisation
- Incineration
- Incorporation
- Incrimination
- Interpolation
- Interrogation
- Intimidation
- Manifestation
- Matriculation
- Mechanization
- Menstruation
- Miniaturization
- Modernization
- Orchestration
- Ornamentation
- Palpitations
- Passivization
- Peregrination
- Perforation
- Perpetration
- Pigmentation
- Polarization
- Precipitation
- Premeditation
- Preoccupation
- Presentation
- Privatization
- Proliferation
- Pronunciation
- Propitiation
- Recrimination
- Reforestation
- Refrigeration
- Regimentation
- Reincarnation
- Respiration
- Resuscitation
- Reverberation
- Sedimentation
- Sequestration
- Serialization
- Socialization
- Solemnization
- Stabilization
- Sterilization
- Strangulation
- Subordination
- Subsidization
- Transmutation
- Transpiration
- Victimization
- Visualization
14-Letter Words Ending with ation
- Administration
- Authorization
- Capitalization
- Categorization
- Conglomeration
- Congratulation
- Corroboration
- Decimalization
- Decolonization
- Deforestation
- Demobilization
- Demoralization
- Deterioration
- Determination
- Discoloration
- Discrimination
- Discrimination
- Disinclination
- Disinformation
- Disintegration
- Fragmentation
- Fraternization
- Hyperinflation
- Immobilization
- Impersonation
- Implementation
- Incarceration
- Indoctrination
- Interpretation
- Investigation
- Liberalization
- Liberalization
- Miscalculation
- Misinformation
- Naturalization
- Neutralization
- Overpopulation
- Participation
- Pasteurization
- Popularization
- Predestination
- Pressurization
- Pulverization
- Recapitulation
- Recommendation
- Reconciliation
- Regularization
- Rehabilitation
- Specialization
- Substantiation
- Superannuation
- Transformation
- Transportation
- Triangulation
- Westernization