Words ending in TION or SION – 4,411 Words From the Dictionary

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23 letter words
OVERINTELLECTUALIZATION​37
22 letter words
DEINSTITUTIONALIZATION​32
REINSTITUTIONALIZATION​31
21 letter words
CONSTITUTIONALIZATION​32
COUNTERINTERPRETATION​25
OVERCOMMERCIALIZATION​41
20 letter words (8 words)
ANTHROPOMORPHIZATION​41
COMPARTMENTALIZATION​37
COUNTERDEMONSTRATION​25
INSTITUTIONALIZATION​29
INTERNATIONALIZATION​29
MICROMINIATURIZATION​35
PHOTOPHOSPHORYLATION​38
PSEUDOSOPHISTICATION​30
19 letter words (21 words)
ANTIDESERTIFICATION​25
CONVENTIONALIZATION​33
COUNTERMOBILIZATION​34
CYTODIFFERENTIATION​31
DEHYDROCHLORINATION​32
DEINDUSTRIALIZATION​30
DEPARTMENTALIZATION​33
HOMOTRANSPLANTATION​26
IMMUNOPRECIPITATION​29
INTELLECTUALIZATION​30
INTERSTRATIFICATION​24
MISCHARACTERIZATION​37
OVERDIFFERENTIATION​29
PHOTODISINTEGRATION​26
PHOTOINTERPRETATION​26
PROFESSIONALIZATION​33
RECONCEPTUALIZATION​34
REINDUSTRIALIZATION​29
SUPERSPECIALIZATION​34
ULTRACENTRIFUGATION​25
18 letter words (30 words)
ANTIADMINISTRATION​21
ANTIDISCRIMINATION​23
BOURGEOISIFICATION​26
COUNTERINSTITUTION​20
COUNTERREFORMATION​25
COUNTERRETALIATION​20
DISPROPORTIONATION​23
ELECTRODESICCATION​25
EVAPOTRANSPIRATION​25
HYPERCONCENTRATION​30
HYPERSENSITIZATION​35
INTERCOMMUNICATION​26
MICROENCAPSULATION​26
OVERCAPITALIZATION​34
OVERCENTRALIZATION​32
OVERCLASSIFICATION​28
OVERGENERALIZATION​31
OVERIDENTIFICATION​27
OVERINTERPRETATION​23
OVERREPRESENTATION​23
17 letter words (71 words)
ANAGRAMMATIZATION​31
ANTIDESEGREGATION​20
ANTIMISCEGENATION​22
BIOTRANSFORMATION​24
BUREAUCRATIZATION​30
COMMERCIALIZATION​34
CONCEPTUALIZATION​32
CONSUBSTANTIATION​21
CONTRADISTINCTION​22
COUNTERACCUSATION​23
COUNTERADAPTATION​22
COUNTERAGGRESSION​21
COUNTERCONVENTION​24
COUNTERREVOLUTION​22
COUNTERSUGGESTION​21
DECRIMINALIZATION​31
DEDIFFERENTIATION​25
DEMATERIALIZATION​29
DEMYTHOLOGIZATION​36
DENATIONALIZATION​27
16 letter words (104 words)
ANTIASSIMILATION​18
ANTICONSERVATION​21
ANTIORGANIZATION​26
ANTIPROSTITUTION​18
AUTOIMMUNIZATION​29
AUTOINTOXICATION​25
BIODETERIORATION​19
CHARACTERIZATION​32
CIRCUMAMBULATION​26
CIRCUMNAVIGATION​26
COADMINISTRATION​21
COLLECTIVIZATION​32
COMPARTMENTATION​24
CONTAINERISATION​18
CONTAINERIZATION​27
CONTRAINDICATION​21
COPOLYMERIZATION​34
COUNTERINFLATION​21
COUNTERTRADITION​19
CRYOPRESERVATION​26
15 letter words (400 words)
INSTRUMENTATION​17
DIFFERENTIATION​22
SYNCHRONIZATION​32
TRANSPLANTATION​17
INTERCONNECTION​19
STANDARDIZATION​26
EXPERIMENTATION​26
PHOSPHORYLATION​28
DIVERSIFICATION​24
SUPPLEMENTATION​21
PERSONALIZATION​26
HOSPITALIZATION​29
RECONSIDERATION​18
DISSATISFACTION​21
INDEMNIFICATION​23
DECONTAMINATION​20
REAUTHORIZATION​27
CRYSTALLIZATION​29
RECONFIGURATION​21
PROCRASTINATION​19
14 letter words (560 words)
ADMINISTRATION​17
TRANSPORTATION​16
IMPLEMENTATION​20
IDENTIFICATION​20
CLASSIFICATION​21
REPRESENTATION​16
RECOMMENDATION​21
INTERPRETATION​16
REHABILITATION​19
DISCRIMINATION​19
AUTHENTICATION​19
TRANSFORMATION​19
RECONSTRUCTION​18
RECONCILIATION​18
REDISTRIBUTION​17
SPECIALIZATION​27
INITIALIZATION​23
REORGANIZATION​24
MULTIPLICATION​20
SUPERANNUATION​16
13 letter words (738 words)
COMMUNICATION​21
ACCOMMODATION​22
DOCUMENTATION​18
CONFIGURATION​19
PARTICIPATION​19
CERTIFICATION​20
INVESTIGATION​17
CONSIDERATION​16
CONSOLIDATION​16
SPECIFICATION​22
COLLABORATION​17
DETERMINATION​16
CONCENTRATION​17
AUTHORIZATION​25
DEMONSTRATION​16
TRANSCRIPTION​17
PRECIPITATION​19
ACCREDITATION​18
QUALIFICATION​27
CONTAMINATION​17
12 letter words (689 words)
CONSTRUCTION​16
ORGANIZATION​22
REGISTRATION​13
DISTRIBUTION​15
INTRODUCTION​15
INSTALLATION​12
PRESENTATION​14
SUBSCRIPTION​18
PRESCRIPTION​18
CONSERVATION​17
COMPENSATION​18
TRANSMISSION​14
ORGANISATION​13
CONTRIBUTION​16
CONSTITUTION​14
CONSULTATION​14
SATISFACTION​17
NOTIFICATION​17
OPTIMIZATION​25
CONVERSATION​17
11 letter words (678 words)
INFORMATION​16
DESCRIPTION​16
APPLICATION​17
ASSOCIATION​13
CORPORATION​15
PUBLICATION​17
COMPETITION​17
INTEGRATION​12
DESTINATION​12
TRANSLATION​11
LEGISLATION​12
COMBINATION​17
PREPARATION​15
INSTRUCTION​13
INSTITUTION​11
RECOGNITION​14
TRANSACTION​13
EXAMINATION​20
RESERVATION​14
INTERACTION​13
10 letter words (528 words)
DISCUSSION​13
COLLECTION​14
PRODUCTION​15
PROTECTION​14
COMMISSION​16
FOUNDATION​14
POPULATION​14
NAVIGATION​14
CONNECTION​14
RESOLUTION​10
TELEVISION​13
EVALUATION​13
DEFINITION​14
PERMISSION​14
GENERATION​11
EXPRESSION​19
RECREATION​12
REGULATION​11
PREVENTION​15
CONVENTION​15
9 letter words (346 words)
EDUCATION​12
CONDITION​12
SELECTION​11
OPERATION​11
ATTENTION​9
SITUATION​9
EXTENSION​16
DIRECTION​12
REDUCTION​12
NUTRITION​9
PROVISION​14
PROMOTION​13
EVOLUTION​12
EXECUTION​18
EXPANSION​18
EXCEPTION​20
DETECTION​12
FORMATION​14
ANIMATION​11
ADMISSION​12
8 letter words (157 words)
LOCATION​10
QUESTION​17
FUNCTION​13
POSITION​10
SOLUTION​8
ADDITION​10
DECISION​11
DIVISION​12
VACATION​13
ELECTION​10
CREATION​10
REVISION​11
RELATION​8
REACTION​10
DURATION​9
ADOPTION​11
AVIATION​11
EQUATION​17
PETITION​10
OCCASION​12
7 letter words (57 words)
VERSION​10
SECTION​9
EDITION​8
STATION​7
SESSION​7
MISSION​9
FICTION​12
AUCTION​9
PORTION​9
MENTION​9
PENSION​9
PASSION​9
TUITION​7
TENSION​7
CAUTION​9
EROSION​7
EMOTION​9
CAPTION​11
MANSION​9
SUCTION​9
6 letter words (17 words)
ACTION​8
OPTION​8
NATION​6
MOTION​8
VISION​9
FUSION​9
NOTION​6
LOTION​6
CATION​8
LESION​6
RATION​6
POTION​8
BASION​8
KATION​10
NASION​6
ULTION​6
USTION​6
5 letter words
PSION​7

On this page, you will find a full list of words that end in either TION or SION. In total, there are 4,411 words that match this description, with the longest one having 23 letters (overintellectualization), going down to 5-letter words (psion). For Scrabble players, it should be mentioned that the average word from this group will get you 17.7 points, with the most valuable one being QUIZZIFICATION (46 points).

You can also look at words ending in TION and words ending in SION individually. For any other ending letter combo, visit our hub page for words ending in these letters. All these lists have been extracted using our WordFinder.

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