Thirteen-Letter Words Containing O
73 wordsWith 73 thirteen-letter words containing O, this is a moderately sized group worth bookmarking. As a vowel, O in any position connects well with consonant-heavy tiles on the board. Scroll through the list or use it as a reference during your next word game.
Updated June 2026
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Word list
Letter at
1–73 of 73
AccommodationAccreditationAdministratorAnnouncementsApproximatelyAuthorizationAutomaticallyBibliographicBiotechnologyCertificationChampionshipsCollaborationCollaborativeCommissionersCommunicationCompatibilityComplicationsComplimentaryComprehensiveComputationalConcentrationConfigurationCongressionalConsciousnessConsiderationConsolidationContaminationContributionsControversialConversationsCorrespondingDemonstrationDeterminationDevelopmentalDistributionsDocumentationEnvironmentalExtraordinaryFunctionalityIllustrationsInappropriateInformationalInstallationsInstitutionalInstructionalInternationalInterventionsInvestigationInvestigatorsMiscellaneousModificationsNotificationsOpportunitiesOrganizationsParticipationPhotographersPossibilitiesPractitionersPrecipitationPresentationsProfessionalsPsychologicalQualificationQuestionnaireRelationshipsRevolutionarySemiconductorSophisticatedSpecificationSubscriptionsTechnologicalTranscriptionUnfortunately
Word lists are curated for the Word Challenge game and may not include every word in a standard dictionary.
Tips for Using These Words
- • Wordle: While Wordle uses five-letter words, these 13-letter words are useful for other word puzzle games. The letter O appearing anywhere in the word is a common pattern worth practising.
- • Scrabble: These words all contain the letter O (1 point). Knowing words with specific letters helps you play off existing tiles on the board.
- • Crosswords: Use the word list to find answers that fit your clue pattern. Words containing O are common in crossword construction.
Related Word Lists
Highest Scoring Words in Scrabble
Base tile values only — board multipliers not included.
| Rank | Word | Score |
|---|---|---|
| 1 | approximately | 29 |
| 2 | championships | 27 |
| 3 | qualification | 27 |
| 4 | psychological | 26 |
| 5 | authorization | 25 |
| 6 | bibliographic | 25 |
| 7 | comprehensive | 25 |
| 8 | biotechnology | 24 |
| 9 | compatibility | 24 |
| 10 | complimentary | 24 |
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Frequently Asked Questions
- How many thirteen-letter words containing O are there?
- There are 73 thirteen-letter words containing the letter O in the Word Challenge word list — a moderately sized group for this word length. Examples include accommodation, accreditation, administrator, announcements, approximately.
- How can I use thirteen-letter words containing O in Wordle?
- When you've confirmed that O is somewhere in the word, use this list to find valid guesses. Focus on words with common letters like E, A, R, S, and T to maximise your chances. Good starting guesses from this list include accommodation and accreditation.
- Are these thirteen-letter words valid in Scrabble?
- The 73 thirteen-letter words containing the letter O on this page come from the Word Challenge word list and are suitable for Scrabble, Wordle, and other word games. The letter O is worth 1 point in Scrabble. They can be played directly or used to extend existing words on the board.
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