13-letter words
There are 7,827 thirteen-letter words in our dictionary. The most common are SLEDGEHAMMERS, SLEEPLESSNESS, SMALLHOLDINGS, SOCIOCULTURAL and SOLICITATIONS.
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
- sledgehammers22
- sleeplessness15
- smallholdings20
- sociocultural17
- solicitations15
- somatosensory18
- somersaulting16
- sophisticates20
- soundproofing20
- southeasterly19
- southeastward20
- southwesterly22
- southwestward23
- spasmodically23
- specificities22
- spectrographs23
- spectrometers19
- spectrometric21
- spectroscopic23
- speculatively23
- speechwriters23
- spermatogonia18
- spiritualists15
- spiritualized25
- spokespersons21
- sportscasters17
- sportsmanlike21
- sportswriters18
- squeamishness27
- standardising16
- standardizing25
- staphylococci27
- statelessness13
- statesmanlike19
- statesmanship20
- stationmaster15
- statisticians15
- steadfastness17
- steeplechaser20
- stenographers19
- stepdaughters20
- stereographic21
- stereoisomers15
- stoichiometry23
- storyboarding20
- straighteners17
- straightening18
- straitjackets26
- strangulation14
- stratigraphic21
- stratospheric20
- streetwalkers20
- streptococcal21
- streptococcus21
- stromatolites15
- structuralism17
- structuralist15
- stylistically21
- subassemblies19
- subcategories18
- subcommittees21
- subcomponents21
- subcontracted20
- subcontractor19
- submandibular20
- submillimeter19
- subordinating17
- subordination16
- subpopulation19
- subsidization25
- substantiated16
- substantiates15
- substantively21
- substitutions15
- substructures17
- sulfonylureas19
- summarization26
- superannuated16
- superchargers21
- supercharging22
- superclusters17
- supercollider18
- supercomputer21
- supercritical19
- superficially23
- superhighways28
- superimposing20
- superintended17
- superlatively21
- supermajority27
- supernaturals15
- supernumerary20
- superordinate16
- superorganism18
- superposition17
- superstitions15
- supersymmetry25
- supplementing20
- supplications19
- suppositories17
- supranational15
- surreptitious15
- survivability24
- swashbuckling28
- swordsmanship24
- symbiotically25
- symbolization29
- symmetrically25
- synchronicity26
- synchronising22
- synchronizing31
- synchronously24
- syntactically23
- synthetically24
- syringomyelia22
- systematizing28
- tantalizingly26
- taxonomically27
- technologists19
- telecommuting20
- telemarketers19
- telemarketing20
- teleportation15
- televangelist17
- temperamental19
- temporalities17
- tenderhearted18
- terephthalate21
- terminologies16
- territorially16
- tetrachloride19
- tetracyclines20
- tetrafluoride17
- thanksgivings25
- theatricality21
- thenceforward25
- theologically22
- theoreticians18
- thermocouples22
- thermodynamic26
- thermoforming24
- thermographic26
- thermonuclear20
- thermoplastic22
- thermosetting19
- thoroughbreds23
- thoroughfares23
- thoroughgoing22
- thoughtlessly23
- threateningly20
- thunderclouds20
- thunderstruck23
- thyroidectomy27
- tonsillectomy20
- toothbrushing22
- topographical23
- topologically21
- tortoiseshell16
- totalitarians13
- toxicological25
- toxicologists23
- toxoplasmosis24
- tranquilizers31
- tranquilizing32
- transactional15
- transaminases15
- transcendence18
- transcriptase17
- transcultural15
- transferrable18
- transformable20
- transgressing15
- transgression14
- transgressive17
- transgressors14
- transliterate13
- translocation15
- transmembrane19
- transmissible17
- transmittable17
- transmittance17
- transmutation15
- transparently18
- transpersonal15
- transpiration15
- transplanting16
- transportable17
- transposition15
- transshipment20
- transvestites16
- traumatically20
- treacherously21
- triamcinolone17
- triangulating15
- triangulation14
- triglycerides20
- trigonometric18
- troublemakers21
- troublemaking22
- tumorigenesis16
- turbochargers21
- typographical26
- typologically24
- tyrannosaurus16
- ultramarathon18
- ultraviolence18
- unaccompanied22
- unaccountable19
- unaccountably22
- unadulterated15
- unadventurous17
- unambiguously21
- unanticipated18
- unappreciated20
- unceremonious17
- unchallenging20
- uncharismatic22
- uncircumcised22
- uncleanliness15
- uncompensated20
- uncompetitive22
- uncomplaining20
- uncomplicated22
- unconditioned17
- unconformably25
- unconquerable26
- unconstrained16
- unconsummated20
- uncontainable17
- uncooperative20
- uncoordinated17
- undeliverable19
- underachieved23
- underachiever22
- undercarriage17
- underclassman18
- underclassmen18
- undercurrents16
- undereducated18
- underemployed22
- undergarments17
- underpayments21
- underpinnings17
- underprepared19
- underreported17
- understaffing21
- understrength18
- underutilized24
- underwhelming23
- undisciplined19
- undistributed17
- unembarrassed18
- unenforceable20
- unenlightened18
- unexceptional24
- unexplainable24
- unfamiliarity21
- unfashionable21
- unflinchingly25
- unforeseeable18
- unforgettably22
- ungentlemanly19
- ungrammatical20
- unimaginative19
- unimpeachable24
- unimplemented20
- uninformative21
- uninhabitable20
- unintelligent14
- uninteresting14
- universalists16
- universalized26
- unjustifiable25
- unjustifiably28
- unmentionable17
- unobtrusively21
- unpasteurized25
- unpredictably23
- unpressurized25
- unpretentious15
- unproblematic21
- unquestioning23
- unrecoverable20
- unrelentingly17
- unreliability18
- unremittingly19
- unrepresented16
- unsalvageable19
- unselfishness19
- unsentimental15
- unserviceable20
- unspectacular19
- unsubstantial15
- unsuitability18
- unsupportable19
- unsurpassable17
- unsymmetrical22
- unsympathetic25
- unthreatening17
- untraditional14
Other word lengths
13-letter words starting with
13-letter words ending in
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