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List of 15-letter words containing

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There are 19 fifteen-letter words containing A, G, N, P, 2R, S and T

ANTIPROGRESSIVEantiprogressive adj. Opposing progress.
antiprogressive n. One who opposes progress.
ANTIPROGRESSIVE adj. opposed to progressivism.
CROSSOPTERYGIANcrossopterygian adj. (Zoology) Of or pertaining to the Crossopterygii, an infraclass of bony fish.
crossopterygian n. (Zoology) One of the Crossopterygii.
CROSSOPTERYGIAN n. a member of a subclass of mostly extinct bony fishes, including the coelacanth.
DRAUGHTSPERSONSdraughtspersons n. Plural of draughtsperson.
DRAUGHTSPERSON n. a gender-neutral term for draughtsman or draughtswoman.
ORGANOGRAPHISTSorganographists n. Plural of organographist.
ORGANOGRAPHIST n. one who practises organography, a description of the organs of plants or animals.
ORGANOTHERAPIESorganotherapies n. Plural of organotherapy.
ORGANOTHERAPY n. treatment of disease by administration of animal organs or extracts of them, esp. of ductless gland extracts.
PARTICULARISINGparticularising v. Present participle of particularise.
PARTICULARISE v. to state in detail, also PARTICULARIZE.
PREARRANGEMENTSprearrangements n. Plural of prearrangement.
PREARRANGEMENT n. a preliminary arrangement.
PREREGISTRATIONpreregistration n. An early registration, before the normal or traditional time, as with early online check-in at hotels.
preregistration n. Registration (of a study design) before a clinical trial (or any other type of scientific experiment)…
preregistration adj. Before registration.
PROCRASTINATINGprocrastinating v. Present participle of procrastinate.
PROCRASTINATE v. to put off intentionally and habitually.
PROGNOSTICATORSprognosticators n. Plural of prognosticator.
PROGNOSTICATOR n. one who prognosticates.
ROENTGENOGRAPHSroentgenographs n. Plural of roentgenograph.
roentgenographs v. Third-person singular simple present indicative form of roentgenograph.
ROENTGENOGRAPH n. an X-ray photograph, also RONTGENOGRAPH.
SAUROPTERYGIANSsauropterygians n. Plural of sauropterygian.
SAUROPTERYGIAN n. any carnivorous Mesozoic marine reptile of the group Sauropterygia, with paddle-like limbs.
STEGANOGRAPHERSsteganographers n. Plural of steganographer.
STEGANOGRAPHER n. a cryptographer; one who works with ciphers.
SUPEREROGATIONSsupererogations n. Plural of supererogation.
SUPEREROGATION n. the act of performing more than is required by duty, obligation or need.
SUPERORDINATINGsuperordinating v. Present participle of superordinate.
SUPERORDINATE v. to make superordinate.
SUPERORGANICISTsuperorganicist n. One who subscribes to the philosophy of superorganicism.
SUPERORGANICIST n. one who studies the superorganic.
SUPERSATURATINGsupersaturating v. Present participle of supersaturate.
SUPERSATURATE v. to add to (a solution) beyond saturation.
TETRASPORANGIUMtetrasporangium n. (Botany) A sporangium that produces tetraspores.
TETRASPORANGIUM n. the sporangium in which tetraspores are formed.
ULTRASONOGRAPHYultrasonography n. (Medicine) The use of ultrasound to produce diagnostic images of the internal organs of the body, or of a foetus.
ultrasonography n. The use of ultrasound to form images of underwater structures.
ULTRASONOGRAPHY n. the use of ultrasound.

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: 166 words
  • Scrabble in French: 23 words
  • Scrabble in Spanish: 38 words
  • Scrabble in Italian: 21 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 32 words


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