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List of 15-letter words containing

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There are 18 fifteen-letter words containing A, D, H, L, 2T and Y

ELEUTHERODACTYLELEUTHERODACTYL n. of birds, having the hind toe free.
HETERODACTYLOUSheterodactylous adj. (Zoology) Having the first and second toes turned backward, as in the trogons.
HETERODACTYLOUS adj. having the first and second toes turned backwards, as in trogons, and not the first and fourth as in parrots.
HYDROSTATICALLYhydrostatically adv. In a hydrostatic manner.
hydrostatically adv. With regard to hydrostatics.
HYDROSTATICAL adv. of or relating to fluids at rest or to the pressures they exert or transmit, also HYDROSTATIC.
HYDROXYLAPATITEhydroxylapatite n. Alternative spelling of hydroxyapatite.
HYDROXYLAPATITE n. a mineral of the apatite group that is rare in the ground but is the principal inorganic constituent of tooth enamel and bone.
HYPERSTIMULATEDhyperstimulated v. Simple past tense and past participle of hyperstimulate.
HYPERSTIMULATE v. to stimulate excessively.
HYPERVENTILATEDhyperventilated v. Simple past tense and past participle of hyperventilate.
HYPERVENTILATE v. to breathe rapidly and deeply.
LABYRINTHODONTSlabyrinthodonts n. Plural of labyrinthodont.
LABYRINTHODONT n. an extinct amphibian, so called from a mazy pattern on a section of its teeth.
METHYLPHENIDATEmethylphenidate n. (Medicine) A stimulant used to treat attention deficit hyperactivity disorder and narcolepsy, better…
METHYLPHENIDATE n. a stimulant used in treating attention deficit disorder.
NORTHEASTWARDLYnortheastwardly adv. Towards the northeast.
NORTHEASTWARDLY adv. in a northeasterly direction.
NORTHWESTWARDLYnorthwestwardly adv. Towards the northwest.
NORTHWESTWARDLY adv. NORTHWESTWARD.
ORTHODONTICALLYorthodontically adv. By orthodontic means.
ORTHODONTIC adv. relating to orthodontics, the rectification of crookedness in the teeth.
POLYARTHRITIDESpolyarthritides n. Plural of polyarthritis.
POLYARTHRITIS n. arthritis affecting several joints.
SOPHISTICATEDLYsophisticatedly adv. In a sophisticated manner.
SOPHISTICATED adv. SOPHISTICATE, to make artificial or worldly.
SOUTHWESTWARDLYsouthwestwardly adv. Toward the southwest.
SOUTHWESTWARDLY adv. in a southwesterly direction.
TENDERHEARTEDLYtenderheartedly adv. In a tenderhearted manner, with caring and compassion.
tender-heartedly adv. Alternative form of tenderheartedly.
TENDERHEARTED adv. easily moved to love, pity, or sorrow.
TETARTOHEDRALLYTETARTOHEDRAL adv. having one fourth the number of planes required by complete symmetry.
TETRAETHYLLEADStetraethyl␣leads n. Plural of tetraethyl lead.
TETRAETHYLLEAD n. a colourless oily insoluble liquid formerly used in petrol to prevent knocking.
TETRAMETHYLLEADtetramethyllead n. (Organic chemistry) A compound with chemical formula C4H12Pb, used as an antiknock additive for gasoline.
TETRAMETHYLLEAD n. a volatile poisonous liquid used esp. formerly as an antiknock agent.

Scrabble words — in black are valid world wide — in RED are not valid in North America — in GREEN are valid only in North America.
Definitions are short excerpt from the WikWik.org and 1Word.ws.

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See this list for:

  • English Wiktionary: 117 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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