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There are 14 twelve-letter words containing A, E, L, N, 2O, P and Y

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.
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.
OPINIONATELYopinionately adv. In a conceited manner.
OPINIONATELY adv. (obsolete) in an opinionated way.
PALAEOBOTANYpalaeobotany n. Alternative spelling of paleobotany.
palæobotany n. Obsolete spelling of palaeobotany.
PALAEOBOTANY n. the study of fossil plants, also PALEOBOTANY.
PALEONTOLOGYpaleontology n. (American spelling) Study of the forms of life existing in prehistoric or geologic times, especially…
PALEONTOLOGY n. the study of fossils, also PALAEONTOLOGY.
PALYNOLOGIESPALYNOLOGY n. the scientific study of spores and pollen.
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.
PLACENTOLOGYplacentology n. (Medicine) The study of the placenta.
PLACENTOLOGY n. the scientific study of placentae.
PNEUMATOLOGYpneumatology n. The study of spiritual beings and phenomena, especially the interactions between humans and God.
pneumatology n. (Christianity, theology) The study of the Holy Spirit as revealed in Scripture.
pneumatology n. The science dealing with air or gases, their physical and chemical properties, therapeutic applications, etc.
POLYSILOXANEpolysiloxane n. (Chemistry) Any of many polymers having a siloxane repeat unit.
POLYSILOXANE n. any of a number of polymers which are the basis of silicone chemistry.
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.

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: 76 words
  • Scrabble in French: 9 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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