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There are 9 twelve-letter words containing D, 3E, O, P, R and X

ENDOPEROXIDEendoperoxide n. (Chemistry, biochemistry) Any heterocycle containing a peroxide -O-O- residue in the ring; found especially…
ENDOPEROXIDE n. any of various biosynthetic intermediates in the formation of prostaglandins.
EXPECTORATEDexpectorated v. Simple past tense and past participle of expectorate.
EXPECTORATE v. to eject from the throat or lungs by coughing or hawking and spitting.
EXPEDITIONERexpeditioner n. One who goes on an expedition.
EXTEMPORISEDextemporised v. Simple past tense and past participle of extemporise.
EXTEMPORISE v. to perform without preparation or practice; to improvise, also EXTEMPORIZE.
EXTEMPORIZEDextemporized v. Simple past tense and past participle of extemporize.
EXTEMPORIZE v. to perform without preparation or practice; to improvise, also EXTEMPORISE.
HETERODUPLEXheteroduplex n. (Biochemistry) A nucleic acid composed of two chains with each derived from a different parent molecule.
heteroduplex v. To form such a compound by genetic recombination.
HETERODUPLEX n. a nucleic-acid molecule, such as DNA, composed of two chains with each derived from a different parent molecule.
OVEREXPANDEDoverexpanded v. Simple past tense and past participle of overexpand.
OVEREXPAND v. to expand excessively.
UNDEREXPOSEDunderexposed v. Simple past tense and past participle of underexpose.
UNDEREXPOSE v. to expose insufficiently.
UNDEREXPOSESunderexposes v. Third-person singular simple present indicative form of underexpose.
UNDEREXPOSE v. to expose insufficiently.

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: 22 words
  • Scrabble in French: 6 words
  • Scrabble in Spanish: 8 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 8 words


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