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There are 13 fifteen-letter words containing G, N, O, P, 2R, S and U

DRAUGHTSPERSONSdraughtspersons n. Plural of draughtsperson.
DRAUGHTSPERSON n. a gender-neutral term for draughtsman or draughtswoman.
MACROSPORANGIUMmacrosporangium n. (Botany) A megasporangium; sporangium or conceptacle containing only large spores; opposed to microsporangium.
MACROSPORANGIUM n. a sporangium producing only megaspores.
MICROSPORANGIUMmicrosporangium n. (Botany) A case, capsule or container that holds microspores.
MICROSPORANGIUM n. the sporangium in heterosporous plants where the microspores develop.
PRECONSTRUCTINGpreconstructing v. Present participle of preconstruct.
PRECONSTRUCT v. to construct in advance.
SAUROPTERYGIANSsauropterygians n. Plural of sauropterygian.
SAUROPTERYGIAN n. any carnivorous Mesozoic marine reptile of the group Sauropterygia, with paddle-like limbs.
SUPEREROGATIONSsupererogations n. Plural of supererogation.
SUPEREROGATION n. the act of performing more than is required by duty, obligation or need.
SUPERGOVERNMENTsupergovernment n. A government formed from the union of multiple lesser governments.
SUPERGOVERNMENT n. government above other governments.
SUPERORDINATINGsuperordinating v. Present participle of superordinate.
SUPERORDINATE v. to make superordinate.
SUPERORGANICISMsuperorganicism n. (Philosophy) The belief that a culture or society transcends the purely organic nature of its individuals.
SUPERORGANICISM n. the state of being superorganic.
SUPERORGANICISTsuperorganicist n. One who subscribes to the philosophy of superorganicism.
SUPERORGANICIST n. one who studies the superorganic.
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.
UNPROGRESSIVELYunprogressively adv. In an unprogressive way.
UNPROGRESSIVE adv. not progressive.

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: 97 words
  • Scrabble in French: 7 words
  • Scrabble in Spanish: 10 words
  • Scrabble in Italian: 18 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 18 words


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