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There are 12 twelve-letter words containing D, 2E, I, O, P and 2T

DIOPTOMETERSdioptometers n. Plural of dioptometer.
DIOPTOMETER n. an instrument for measuring ocular refraction.
EPIGLOTTIDESepiglottides n. Plural of epiglottis.
EPIGLOTTIS n. a cartilaginous flap over the glottis.
EXPEDITATIONexpeditation n. (UK, obsolete, transitive, law, forest law) The process of expeditating.
EXPEDITATION n. the act of expediting.
HYPOTHETISEDhypothetised v. Simple past tense and past participle of hypothetise.
HYPOTHETISE v. to form a hypothesis, also HYPOTHESISE, HYPOTHESIZE, HYPOTHETIZE.
HYPOTHETIZEDhypothetized v. Simple past tense and past participle of hypothetize.
HYPOTHETIZE v. to form a hypothesis, also HYPOTHESISE, HYPOTHESIZE, HYPOTHETISE.
INTERPOLATEDinterpolated v. Simple past tense and past participle of interpolate.
INTERPOLATE v. to insert a word or passage in a book or manuscript, esp. in order to mislead.
INTROSPECTEDintrospected v. Simple past tense and past participle of introspect.
INTROSPECT v. to look inwards.
OCTAPEPTIDESoctapeptides n. Plural of octapeptide.
OCTAPEPTIDE n. a protein fragment or molecule that consists of eight amino acids linked in a polypeptide chain.
PHOTOEXCITEDphotoexcited v. Simple past tense and past participle of photoexcite.
photoexcited adj. (Chemistry, physics) (of an atom, molecule or ion) excited due to photoexcitation.
PHOTOEXCITED adj. relating to photoexcitation.
PIEDMONTITESpiedmontites n. Plural of piedmontite.
PIEDMONTITE n. a dark red mineral, a hydrated silicate of calcium, aluminium, manganese and iron, also PIEMONTITE.
PREMEDITATORpremeditator n. One who premeditates.
PREMEDITATOR n. one who premeditates.
PTERIDOPHYTEpteridophyte n. Any plant of the division Pteridophyta, of simple vascular plants that reproduce via spores rather than…
PTERIDOPHYTE n. the general name for the ferns and their allies.

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: 84 words
  • Scrabble in French: 29 words
  • Scrabble in Spanish: 9 words
  • Scrabble in Italian: 46 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 28 words


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