12-letter words
There are 11,358 twelve-letter words in our dictionary. The most common are STRUCTURALLY, SUBCOMMITTEE, SUBCONSCIOUS, SUBDIVISIONS and SUBORDINATES.
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.
12-letter words
- structurally17
- subcommittee20
- subconscious18
- subdivisions18
- subordinates15
- subsidiaries15
- substituting15
- substitution14
- subterranean14
- successively22
- sufficiently23
- supermarkets20
- supernatural14
- superstition14
- supplemental18
- supplemented19
- surrendering14
- surroundings14
- suspiciously19
- synchronized30
- testosterone12
- therapeutics19
- thunderstorm18
- totalitarian12
- transferable17
- transferring16
- transformers17
- transforming18
- transitional12
- translations12
- transmitters14
- transmitting15
- transparency19
- transplanted15
- transporting15
- tremendously18
- tuberculosis16
- unacceptable20
- unattractive17
- unauthorized25
- unbelievably22
- uncontrolled15
- underwriting17
- undiscovered19
- undocumented18
- unexpectedly27
- unforgivable21
- unidentified17
- unilaterally15
- unimaginable17
- uninterested13
- unmistakable20
- unparalleled15
- unproductive20
- unreasonable14
- unregistered14
- unrestricted15
- unscrupulous16
- unsuccessful19
- unsuspecting17
- urbanization23
- vaccinations19
- verification20
- veterinarian15
- volunteering16
- abandonments17
- abbreviating20
- abolitionism16
- abolitionist14
- abominations16
- abortionists14
- abrasiveness17
- absentminded18
- absoluteness14
- abstractions16
- academicians19
- accelerators16
- accentuating17
- accentuation16
- accessorized26
- acclimatised19
- acclimatized28
- accommodates21
- accompanists20
- accomplishes23
- accordionist17
- accoutrement18
- accretionary19
- acculturated17
- accumulative21
- accumulators18
- acetaldehyde22
- acetonitrile14
- acoustically19
- acquiescence27
- adaptability20
- adenoviruses16
- adjournments22
- adjudicating24
- adjudication23
- adjudicators23
- adjudicatory26
- administrate15
- admonishment20
- adorableness15
- adrenochrome20
- adulterating14
- adulteration13
- adventitious16
- advisability21
- aerodynamics20
- aesthetician17
- aestheticism19
- affectations20
- affirmations20
- aforethought22
- afterburners17
- aftereffects23
- afterthought22
- agglomerated17
- agglomerates16
- aggrandizing25
- aggregations15
- agribusiness15
- agrochemical22
- agroforestry19
- alimentation14
- allelopathic19
- alliteration12
- alliterative15
- alphabetized29
- alphanumeric21
- altercations14
- alternations12
- amalgamating18
- ambidextrous24
- ameliorating15
- amelioration14
- amortization23
- amphetamines21
- amphitheater22
- anachronisms19
- anaesthetics17
- analytically20
- anaphylactic24
- anastomosing15
- anatomically19
- anesthetists15
- anesthetized25
- angiogenesis14
- angiographic21
- annihilating16
- annunciation14
- antagonizing23
- antediluvian16
- anthelmintic19
- anthocyanins20
- anthologized26
- antiabortion14
- antiaircraft17
- anticipatory19
- anticlerical16
- anticolonial14
- anticyclonic21
- antidiabetic17
- antifascists17
- antifeminist17
- antimalarial14
- antimonopoly19
- antineutrino12
- antioxidants20
- antiparallel14
- antiparticle16
- antiquarians21
- antithetical17
- antithrombin19
- aphrodisiacs20
- apothecaries19
- apparatchiks25
- appellations16
- appendectomy24
- appendicitis19
- apperception20
- appertaining17
- apportioning17
- apprehending21
- apprenticing19
- approachable23
- appropriates18
- approximated26
- approximates25
- arbitrations14
- archdeaconry23
- archdiocesan20
- archeologist18
- archetypical24
- archipelagic22
- archipelagos20
- argillaceous15
- arithmetical19
- aromatherapy22
- arraignments15
- arthroscopic21
- articulately17
- articulating15
- articulatory17
- artilleryman17
- artillerymen17
- artistically17
- ascertaining15
- asphyxiating28
- asphyxiation27
- aspirational14
- assassinates12
- assignations13
- assimilating15
- astonishment17
- astoundingly17
- astrobiology18
- astrological15
- astronautics14
- astrophysics22
- asymptomatic23
- asynchronous20
- athletically20
- atmospherics21
- attestations12
- attractively20
- attributions14
- audiologists14
- augmentative18
- auscultation14
- auspiciously19
- authenticate17
- autoantibody18
- autographing19
- autoimmunity19
- automaticity19
- automorphism21
- autonomously17
- axisymmetric28
- azathioprine26
- bacchanalian21
- bachelorhood23
- backbenchers27
- backbreaking27
- backgrounder22
- backlighting25
- backpedaling24
- backstabbers24
- backstabbing25
- backtracking27
- backwardness24
- bactericidal19
- bacteriology20
- bankruptcies22
- bantamweight23
- barbiturates16
- barnstorming17
- battlefields18
- beachcombers25
- beachcombing26
- befuddlement21
- begrudgingly21
- behaviorally23
- behaviorists20
- belligerence17
- belligerents15
- benchwarmers24
- benedictions17
- benefactions19
- benefactress19
- beneficially22
- benevolently20
- benzaldehyde31
- benzophenone28
- bespectacled21
- bewilderment20
- bibliophiles21
- bicentennial16
- bifunctional19
- bifurcations19
- bilingualism17
- billingsgate16
- bioavailable19
- biochemicals23
- bioengineers15
- biogeography24
- biomaterials16
- biomechanics23
- biomolecular18
- biomolecules18
- biosynthesis20
- biosynthetic22
- birdwatchers23
- birefringent18
- blabbermouth23
- blackberries22
- blacklisting21
- blackmailers22
Other word lengths
12-letter words starting with
12-letter words ending in
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Word lists & patterns
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Puzzle & game solvers
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Word reference & utilities
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