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There are 18 fifteen-letter words containing 2A, E, H, O, 2T and Y

AUTHORITATIVELYauthoritatively adv. In an authoritative manner, being worthy of trust.
AUTHORITATIVE adv. having or proceeding from authority.
BATHOMETRICALLYBATHOMETRIC adv. relating to a bathometer, an instrument for measuring depths.
CHEMOTACTICALLYchemotactically adv. By chemotaxis.
CHEMOTACTIC adv. exhibiting chemotaxis.
CYANOETHYLATINGcyanoethylating v. Present participle of cyanoethylate.
CYANOETHYLATE v. to introduce a cyano-ethyl group into.
CYANOETHYLATIONcyanoethylation n. (Organic chemistry) Any reaction, or treatment, with acrylonitrile, especially such treatment of cotton…
CYANOETHYLATION n. the act of introducing a cyano-ethyl group into a compound.
HAEMACYTOMETERShaemacytometers n. Plural of haemacytometer.
HAEMACYTOMETER n. an apparatus for counting the number of cells in a quantity of blood, typically consisting of a graduated pipette for drawing and diluting, also HEMACYTOMETER.
HYDROXYAPATITEShydroxyapatites n. Plural of hydroxyapatite.
HYDROXYAPATITE n. a complex phosphate of calcium that occurs as a mineral and is the chief structural element of vertebrate bone.
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.
ISOTHIOCYANATESisothiocyanates n. Plural of isothiocyanate.
MEGAGAMETOPHYTEmegagametophyte n. (Biology) Any gametophyte that develops from a megaspore.
megagametophyte n. (Biology) A female gametophyte.
MEGAGAMETOPHYTE n. the gametophyte developing vegetatively from the megaspore of a heterosporous plant.
NORTHEASTWARDLYnortheastwardly adv. Towards the northeast.
NORTHEASTWARDLY adv. in a northeasterly direction.
OSTEOPATHICALLYosteopathically adv. By means of osteopathy.
OSTEOPATHIC adv. relating to osteopathy.
PHYTOFLAGELLATEphytoflagellate n. Any dinoflagellate of the class Phytomastigophorea.
PHYTOFLAGELLATE n. any of various organisms (as dinoflagellates) that have many characteristics in common with typical algae.
TACHOMETRICALLYtachometrically adv. By means of a tachometer.
TACHOMETRICAL adv. relating to measurement by tachometer, also TACHOMETRIC.
TETARTOHEDRALLYTETARTOHEDRAL adv. having one fourth the number of planes required by complete symmetry.
TETRAHYDROFURANtetrahydrofuran n. (Organic chemistry) A heterocyclic ether having a five-membered ring with four carbon atoms and one…
TETRAHYDROFURAN n. a flammable liquid ether derived from furan and used as a solvent and as an intermediate in organic synthesis.
THALASSOTHERAPYthalassotherapy n. (Medicine) The therapeutic use of seawater.
THALASSOTHERAPY n. medical treatment using baths in sea water.
THEOREMATICALLYTHEOREMATICAL adv. relating to theorems, also THEOREMATIC, THEOREMIC.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 131 words
  • Scrabble in French: 6 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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