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There are 19 twelve-letter words containing E, L, N, 2O, P, R and Y

COUNTERPLOYScounterploys n. Plural of counterploy.
COUNTERPLOY n. a ploy in return.
CYCLOPROPANEcyclopropane n. (Organic chemistry, pharmacology) The simplest alicyclic hydrocarbon, C3H6, an inflammable gas, sometimes…
CYCLOPROPANE n. a flammable gaseous saturated cyclic hydrocarbon sometimes used as a general anesthetic.
CYCLOSPORINEcyclosporine n. (Pharmacology) Alternative form of ciclosporin.
CYCLOSPORINE n. an immunosuppressive drug used in organ transplants, also CYCLOSPORIN.
GLYCOPROTEINglycoprotein n. (Biochemistry) A protein with covalently bonded carbohydrates.
GLYCOPROTEIN n. any of the compounds formed by the conjugation of a protein with a substance containing a carbohydrate group other than a nucleic acid, also GLUCOPROTEIN.
HYPERBOLAEONhyperbolaeon n. (Music) The highest tetrachord.
HYPERBOLAEON n. a term in in Greek prosody.
LARYNGOSCOPElaryngoscope n. An endoscope used for viewing the interior of the larynx.
LARYNGOSCOPE n. an instrument for examining the interior of the larynx.
NEURYPNOLOGYneurypnology n. (Obsolete) Alternative form of neurohypnology.
NEURYPNOLOGY n. an old name for the science of hypnotism, also NEUROHYPNOLOGY.
PANTALOONERYpantaloonery n. (Dated) The character or performances of a pantaloon; buffoonery.
pantaloonery n. (Dated) Materials used to make pantaloons.
PANTALOONERY n. buffoonery.
PARLEYVOOINGparleyvooing v. Present participle of parleyvoo.
PARLEYVOO v. (slang) to speak French.
PERINATOLOGYperinatology n. A branch of obstetrics focusing on the medical and surgical management of high-risk pregnancies.
POLYEMBRYONYpolyembryony n. (Botany) The production of two or more embryos in one seed, due either to the existence and fertilization…
polyembryony n. (Biology) The production of two or more embryos from a single fertilized egg.
POLYEMBRYONY n. the condition of having several embryos.
POLYISOPRENEpolyisoprene n. (Chemistry) Any polymer whose constituent monomer is isoprene; especially natural, and some synthetic, rubbers.
POLYISOPRENE n. a rubberlike polymer of isoprene.
POLYPROPENESpolypropenes n. Plural of polypropene.
POLYPROPENE n. any of various thermoplastic plastics or fibers that are polymers of propylene, also POLYPROPYLENE.
PORTENTOUSLYportentously adv. In an ominous manner.
portentously adv. In a pompous manner.
PORTENTOUS adv. of, relating to, or constituting a portent.
PRONOUNCEDLYpronouncedly adv. In a pronounced manner; markedly, distinctively.
PRONOUNCED adv. strongly marked; unequivocal.
PROTEOGLYCANproteoglycan n. (Biochemistry) Any of many glycoproteins that have heteropolysaccharide side chains.
PROTEOGLYCAN n. any of a class of glycoproteins of high molecular weight that are found esp. in the extracellular matrix of connective tissue.
PROTEOLYSINGproteolysing v. Present participle of proteolyse.
PROTEOLYSE v. to split proteins by proteolysis.
PYROLIGNEOUSpyroligneous adj. Produced from wood by the action of heat, especially by destructive distillation.
PYROLIGNEOUS adj. produced by the action of heat on wood, also PYROLIGNIC, PYROXYLIC.
UNPROVOKEDLYunprovokedly adv. Without provocation.
UNPROVOKED adv. UNPROVOKE, (Shakespeare) to counteract the provocation of.

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: 90 words
  • Scrabble in French: 10 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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