← Word lists

Words starting with C, then T, then I, then O, ending in N

301 words fit this spine. The 240 most recognizable are listed below, longest and commonest first. They start with C, end with N, and contain T then I then O in that order in between — not necessarily side by side.

Near misses
  • caballero doesn't fit: it starts with C but ends with O, not N.
  • cameraman doesn't fit: it has the right ends but no T in the middle.
  • contain doesn't fit: it has every letter of CTION but they don't appear in order inside it.

6-letter words

cation

7-letter words

caption, caution, coition

8-letter words

citation, coaction, conation, creation

9-letter words

carnation, caseation, causation, centurion, cessation, chelation, ciliation, coalition, cognation, cognition, collation, commotion, condition, contagion, contusion, cotillion, cremation, criterion

10-letter words

capitation, castration, catenation, catholicon, cavitation, centillion, coaptation, cofunction, cogitation, collection, coloration, combustion, compaction, completion, conception, concoction, concretion, conduction, confection, conflation, congestion, connection, conniption, contention, contortion, contrition, convention, conviction, coronation, correction, corruption

11-letter words

calcination, calculation, calibration, cancelation, captivation, carbonation, carburetion, castigation, celebration, cementation, centimorgan, cerebration, chrismation, circulation, coagulation, coarctation, codirection, coeducation, coevolution, colligation, collimation, collocation, combination, commination, comminution, commutation, competition, compilation, composition, compunction, computation, condonation, confliction, confutation, congelation, conjugation, conjunction, conjuration, connotation, consecution, consolation, consumption, contraction, contraption, cooperation, corporation, correlation, culmination

12-letter words

cachinnation, calumniation, canalization, cancellation, canonization, cantillation, capacitation, capitulation, chlorination, citification, civilisation, civilization, claudication, coacervation, coadaptation, codification, cogeneration, cohabitation, colonisation, colonization, colorization, columniation, commendation, compellation, compensation, complexation, complication, compurgation, conciliation, condemnation, condensation, confirmation, confiscation, conformation, conglobation, congregation, conscription, consecration, conservation, consignation, consociation, conspiration, constipation, constitution, constriction, construction, consultation, consummation, contestation, continuation, contribution, conversation

13-letter words

calcification, caprification, carbonization, carbonylation, carboxylation, carburization, cartelization, catechization, cauterization, cephalization, certification, chemisorption, cicatrization, circumvention, clarification, coalification, cocainization, cocultivation, collaboration, commemoration, commiseration, communication, communization, concatenation, concentration, confabulation, confederation, configuration, conflagration, confrontation, consideration, consolidation, constellation, consternation, contamination, contemplation, contraception, contradiction, contravention, corroboration

14-letter words

capitalization, categorization, centralization, centrifugation, channelization, chemoreception, circumlocution, circumspection, circumvolution, classification, commensuration, concelebration, concretization, conglomeration, conglutination, congratulation, contraposition

15-letter words

cannibalization, catheterization, circularization, circumscription, circumvallation, civilianization, codetermination, commodification, complementation, computerization

16-letter words

characterization, chymotrypsinogen, circumambulation, circumnavigation, coadministration, collectivization, compartmentation, containerisation, containerization, contraindication

17-letter words

commercialization, conceptualization, consubstantiation, contradistinction

20-letter words

compartmentalization

21-letter words

constitutionalization

Where this pattern came from

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Every word above follows this rule — see if you can find them under a clock.

How the rule works

Related patterns