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List of 15-letter words containing

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

MULTIPROCESSINGmultiprocessing n. Computation using more than one processor.
MULTIPROCESSING n. the processing of several computer programs at the same time esp. by a computer system with two or more processors sharing a single memory.
POSTGRADUATIONSPOSTGRADUATION n. the period of time following graduation.
PRESTIGIOUSNESSprestigiousness n. The state or condition of being prestigious.
PRESTIGIOUSNESS n. the state of being prestigious.
PSYCHOSURGERIESpsychosurgeries n. Plural of psychosurgery.
PSYCHOSURGERY n. cerebral surgery employed in treating psychic symptoms.
SAUROPTERYGIANSsauropterygians n. Plural of sauropterygian.
SAUROPTERYGIAN n. any carnivorous Mesozoic marine reptile of the group Sauropterygia, with paddle-like limbs.
SUPERCARGOSHIPSSUPERCARGOSHIP n. the office of supercargo.
SUPERCOMPUTINGSSUPERCOMPUTING n. computing using a supercomputer, a large very fast mainframe used esp. for scientific computations.
SUPEREROGATIONSsupererogations n. Plural of supererogation.
SUPEREROGATION n. the act of performing more than is required by duty, obligation or need.
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.
SUSPERCOLLATINGSUSPERCOLLATE v. to hang by the neck.
UNPREPOSSESSINGunprepossessing adj. Unimpressive or unremarkable; dull and ordinary; nondescript.
UNPREPOSSESSING adj. not creating a favourable impression.
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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 87 words
  • Scrabble in French: 18 words
  • Scrabble in Spanish: 5 words
  • Scrabble in Italian: 25 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 9 words


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