13-letter words
There are 7,827 thirteen-letter words in our dictionary. The most common are UNTRUSTWORTHY, UPPERCLASSMAN, UPPERCLASSMEN, VALEDICTORIAN and VEGETARIANISM.
Long words like these rarely fit in one go, but they are the answers to many jumbles, spelling challenges and word-ladder puzzles. Most are built from a shorter root plus a common prefix or suffix.
13-letter words
- untrustworthy22
- upperclassman21
- upperclassmen21
- valedictorian19
- vegetarianism19
- ventriloquism27
- ventriloquist25
- ventrolateral16
- verifiability24
- verifications21
- versification21
- veterinarians16
- victimization29
- videocassette19
- videographers23
- vitrification21
- vocalizations27
- volcanologist19
- vulcanization27
- waterproofing22
- weightlifters23
- welterweights23
- wholesomeness21
- wonderfulness20
- worthlessness19
- abiogenically21
- abolitionisms17
- absorbability22
- absquatulated25
- absquatulates24
- abstractional17
- abusivenesses18
- accentuations17
- acceptingness20
- accessorising18
- acciaccaturas21
- acclimatising20
- acclimatizers28
- acclimatizing29
- accommodators22
- accomplishers24
- accordionists18
- accouchements24
- accountancies19
- acculturating18
- acculturative20
- accustomation19
- acetaldehydes23
- acetification20
- acetonitriles15
- achlorhydrias25
- achromatizing30
- acquiescences28
- acquiescently29
- acquisitional24
- acquisitively30
- acrobatically22
- acronymically25
- actinometries17
- actinomorphic24
- actinomycetes22
- actinomycoses22
- actinomycosis22
- actinomycotic24
- adaptednesses17
- admeasurement18
- administrable18
- administrants16
- administrates16
- admirableness18
- admonishingly23
- adorabilities16
- adrenalectomy21
- adrenochromes21
- adulterations14
- adumbratively24
- adventuresses17
- adventuristic19
- adventurously20
- adversariness17
- adversatively23
- adversenesses17
- advertizement28
- advisableness19
- aerobiologies16
- aerodynamical21
- aeroembolisms19
- aeromechanics22
- aeromedicines18
- aestheticians18
- aestheticisms20
- aestheticized28
- aestheticizes27
- affectability26
- affectionally24
- affectionless21
- affectivities24
- affenpinscher26
- agamospermies20
- agelessnesses14
- aggiornamento17
- agglomerating18
- agglomerative20
- agglutinating16
- agglutinogens16
- aggregateness16
- aggregational16
- aggregatively22
- aggrievements20
- agonistically19
- agranulocytes19
- agrichemicals23
- agroforesters17
- agronomically21
- ailurophobias20
- aimlessnesses15
- airfreighting21
- airlessnesses13
- airsicknesses19
- alchemistical22
- alcoholically23
- aldolizations23
- aldosteronism16
- alimentations15
- alkalimetries19
- allelomorphic22
- allelopathies18
- allergenicity19
- alliterations13
- allomorphisms22
- allopolyploid21
- allotypically23
- alphabetizers29
- alphabetizing30
- alphanumerics22
- amativenesses18
- ambidexterity28
- ambiguousness18
- ambisexuality27
- ambitiousness17
- ameliorations15
- amenabilities17
- amiablenesses17
- amicabilities19
- aminoaciduria18
- aminophylline23
- amniocenteses17
- amorousnesses15
- amorphousness20
- amortizations24
- amphibologies23
- amphictyonies25
- amphidiploids24
- amphidiploidy27
- amphiploidies23
- amphiprostyle25
- amphitheatric25
- amusingnesses16
- amyloidosises19
- anachronously21
- anagrammatize27
- analogousness14
- analphabetics22
- analphabetism22
- analyticities18
- analyzability30
- anaphorically23
- anaphrodisiac21
- anaphylactoid24
- anathematizes27
- anchorpersons20
- ancientnesses15
- andouillettes14
- androsterones14
- anecdotalisms18
- anecdotalists16
- anecdotically21
- anencephalies20
- anesthetizing26
- anfractuosity21
- angelologists15
- angiographies20
- angioplasties16
- angiospermous18
- anglicization25
- animadversion19
- animadverting20
- animalization24
- animatenesses15
- anisometropia17
- anisometropic19
- anisotropisms17
- annexationist20
- annihilations16
- annunciations15
- anomalousness15
- anonymousness18
- antediluvians17
- antepenultima17
- anthelmintics20
- anthologizers26
- anthologizing27
- anthophyllite24
- anthranilates16
- anthropomorph25
- anthropophagi24
- anthropophagy27
- antiacademics20
- antiaircrafts18
- antiapartheid19
- antiarthritic18
- antiarthritis16
- antiauthority19
- antibillboard18
- antiblackisms23
- antibourgeois16
- anticatalysts18
- anticellulite15
- anticigarette16
- anticipatable19
- anticlassical17
- anticlericals17
- anticollision15
- anticolonials15
- anticonsumers17
- anticorporate17
- anticorrosion15
- anticorrosive18
- antidesiccant18
- antidiarrheal17
- antielectrons15
- antiestrogens14
- antievolution16
- antifeminisms20
- antifeminists18
- antifertility19
- antiforeigner17
- antiformalist18
- antifrictions18
- antigenically19
- antiglobulins16
- antigravities17
- antiguerrilla14
- antihumanisms20
- antihysterics21
- antiliterates13
- antilittering14
- antilogarithm19
- antimacassars17
- antimalarials15
- antimarijuana22
- antimechanist20
- antimetabolic19
- antimodernist16
- antinarrative16
- antinepotisms17
- antineutrinos13
- antinovelists16
- antiobesities15
- antiobscenity20
- antiparasitic17
- antipesticide18
- antiphonaries18
- antipleasures15
- antipolitical17
- antipollution15
- antipredators16
- antipruritics17
- antirecession15
- antirejection22
- antireligious14
- antirheumatic20
- antiritualism15
- antiromantics17
- antiroyalists16
- antisatellite13
- antiscorbutic19
- antisexuality23
- antislaveries16
- antismuggling18
- antisocialist15
- antithrombins20
- anxiousnesses20
- aortographies19
- apathetically23
- apatosauruses15
- aperiodically21
- aphrodisiacal21
- apiculturists17
- apocalyptical24
- apocalyptisms24
- apocalyptists22
- apodictically23
- apomictically24
- apostrophised21
- apostrophises20
- apostrophized30
- apostrophizes29
- apotheosizing28
- appealability22
Other word lengths
13-letter words starting with
13-letter words ending in
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