13-letter words
There are 7,827 thirteen-letter words in our dictionary. The most common are SUPERVIRTUOSO, SUPPLANTATION, SUPPLEMENTALS, SUPPLEMENTERS and SUPPOSITIONAL.
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
- supervirtuoso18
- supplantation17
- supplementals19
- supplementers19
- suppositional17
- suprarational15
- supremenesses17
- surgeonfishes20
- surrejoinders21
- surveillances18
- survivorships24
- suspensefully21
- sustentations13
- swarthinesses19
- swashbucklers27
- swinishnesses19
- switchbacking30
- switchgrasses22
- sybaritically23
- sycophantisms25
- syllabicating21
- syllabication20
- syllabicities20
- sylvicultures21
- symmetallisms22
- sympathectomy30
- sympatholytic28
- sympatrically25
- symphonically28
- symphoniously26
- synaesthesias19
- synarthrodial20
- synchromeshes26
- synchronistic23
- synchronizers30
- synchroscopes25
- syndactylisms24
- synecdochical26
- synecological21
- syringomyelic24
- systematising19
- systematizers27
- systemization27
- tablespoonful20
- tachistoscope22
- taciturnities15
- tactfulnesses18
- talkativeness20
- tangibilities16
- tastelessness13
- tautologously17
- teachableness20
- tearfulnesses16
- technicalized30
- technicalizes29
- technobabbles24
- technocracies22
- technologized29
- technologizes28
- technophobias25
- tediousnesses14
- teemingnesses16
- telecommuters19
- telefacsimile20
- telegrapheses19
- telegraphists19
- telencephalic22
- telencephalon20
- teleutospores15
- televangelism19
- tellurometers15
- temerariously18
- temperateness17
- tempestuously20
- temporalizing27
- temporariness17
- temporization26
- tenablenesses15
- tenaciousness15
- tendentiously17
- tenderization23
- tenderometers16
- tenosynovitis19
- tensiometries15
- tentativeness16
- tenuousnesses13
- teratogeneses14
- teratogenesis14
- teratological16
- teratologists14
- tercentennial15
- tergiversated18
- tergiversates17
- tergiversator17
- terminational15
- terminatively21
- terpsichorean20
- terrestrially16
- terrorization22
- tessellations13
- testabilities15
- testosterones13
- tetanizations22
- tetartohedral17
- tetradynamous19
- tetrahedrally20
- tetrahedrites17
- tetraploidies16
- tetrapyrroles18
- tetrodotoxins21
- thalassaemias18
- thalassocracy23
- thalassocrats18
- thanatologies17
- thanatologist17
- thanklessness20
- thaumaturgies19
- thaumaturgist19
- theatergoings18
- theatricalism20
- theatricalize27
- theocentrisms20
- theophyllines24
- theorizations25
- theriomorphic25
- thermochemist25
- thermoelement20
- thermometries20
- thermophilous23
- thermospheres23
- thermospheric25
- thermostating19
- thermostatted19
- thermotropism22
- thiabendazole28
- thigmotropism23
- thimblerigged23
- thimblerigger22
- thinkableness22
- thioridazines26
- thirstinesses16
- thoracotomies20
- thoroughbrace24
- thoroughworts23
- thrasonically21
- threadinesses17
- thriftinesses19
- throatinesses16
- throatlatches21
- thrombokinase24
- throttleholds20
- thundershower23
- thunderstones17
- thunderstrike21
- thunderstroke21
- thymectomized35
- thymectomizes34
- thyroglobulin22
- thyroiditides21
- thyroiditises20
- thyrotrophins24
- tiddledywinks26
- timberdoodles19
- titillatingly17
- toastmistress15
- tomboyishness23
- tonsillitides14
- tonsillitises13
- toothsomeness18
- toplessnesses15
- torticollises15
- totipotencies17
- touristically18
- toxoplasmoses24
- tracheophytes26
- tracheotomies20
- tractableness17
- tradescantias16
- traditionless14
- tragicomedies19
- trailbreakers19
- trampolinings18
- trampolinists17
- tranquilities22
- tranquillized32
- tranquillizer31
- tranquillizes31
- transactinide16
- transcendency21
- transductants16
- transductions16
- transfections18
- transferences18
- transfiguring18
- transfusional16
- transhumances20
- transistorise13
- transistorize22
- translocating16
- translucences17
- translucently18
- transmigrated17
- transmigrates16
- transmigrator16
- transmountain15
- transmutative18
- transparences17
- transpiercing18
- transplanters15
- transshipping21
- transthoracic20
- transudations14
- transvaluated17
- transvaluates16
- transvestisms18
- trapezohedron28
- trapshootings19
- treasurership18
- tredecillions16
- tremulousness15
- trephinations18
- triangularity17
- triaxialities20
- triboelectric19
- tricarboxylic29
- triceratopses17
- trichinosises18
- trichlorphons23
- trichologists19
- trichopterans20
- trichothecene23
- trichromatism22
- tricksinesses19
- trifurcations18
- triggerfishes21
- triliteralism15
- trimethoprims22
- trinucleotide16
- triphosphates23
- triplications17
- triploblastic19
- trisaccharide21
- trisoctahedra19
- tritheistical18
- triumphalisms22
- triumphalists20
- trolleybusses18
- trophoblastic22
- tropicalizing27
- tropocollagen18
- trothplighted23
- troubleshoots18
- troublesomely20
- troublousness15
- trustworthily22
- tsutsugamushi19
- tubocurarines17
- tumorigeneses16
- tunablenesses15
- tunefulnesses16
- turbellarians15
- turbidimeters18
- turbidimetric20
- turboelectric19
- typefoundings23
- typicalnesses20
- typifications23
- uglifications19
- ultracautious15
- ultracritical17
- ultradistance16
- ultrafamiliar18
- ultrafeminine18
- ultrafiltrate16
- ultraleftisms18
- ultraleftists16
- ultraliberals15
- ultramilitant15
- ultramontanes15
- ultraorthodox24
- ultraphysical23
- ultrapowerful21
- ultraradicals16
- ultrararefied17
- ultrarational13
- ultrarealisms15
- ultrarealists13
- ultrareliable15
- ultrarightist17
- ultraromantic17
- ultraroyalist16
- ultravirility19
- umbelliferous20
- umbilications19
- unadjudicated25
- unapologizing26
- unappealingly21
- unarticulated16
- unassertively19
- unassimilable17
Other word lengths
13-letter words starting with
13-letter words ending in
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