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List of 13-letter words containing

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There are 11 thirteen-letter words containing D, E, H, 3O, P and T

BOUSTROPHEDONboustrophedon adv. (Historical, calligraphy, of writing) In a fashion such that the reading direction changes from right-to-left…
boustrophedon adj. (Historical, calligraphy, of writing) Written from right-to-left and left-to-right on alternate lines.
boustrophedon adj. (Figuratively) Changing direction, going back and forth.
ORTHOPTEROIDSorthopteroids n. Plural of orthopteroid.
ORTHOPTEROID n. a member of the Orthoptera, cockroaches.
PHOTOCATHODESphotocathodes n. Plural of photocathode.
PHOTOCATHODE n. a cathode that emits electrons when exposed to radiant energy and esp. light.
PHOTOCOMPOSEDphotocomposed v. Simple past tense and past participle of photocompose.
PHOTOCOMPOSE v. to set (as reading matter) by photocomposition.
PHOTODETECTORphotodetector n. Any device used to detect electromagnetic radiation.
PHOTODETECTOR n. any of various devices for detecting and measuring the intensity of radiant energy through photoelectric action.
PHOTOOXIDISEDPHOTOOXIDISE v. to undergo photooxidation, also PHOTOOXIDIZE.
PHOTOOXIDISESPHOTOOXIDISE v. to undergo photooxidation, also PHOTOOXIDIZE.
PHOTOOXIDIZEDphotooxidized v. Simple past tense and past participle of photooxidize.
PHOTOOXIDIZE v. to undergo photooxidation, also PHOTOOXIDISE.
PHOTOOXIDIZESphotooxidizes v. Third-person singular simple present indicative form of photooxidize.
PHOTOOXIDIZE v. to undergo photooxidation, also PHOTOOXIDISE.
PHOTOPERIODICphotoperiodic adj. Of, pertaining to, or exhibiting photoperiodism.
PHOTOPERIODIC adj. relating to a photoperiod.
PROTOCHORDATEprotochordate n. Any chordate of the phyla Hemichordata, Urochordata or Cephalochordata.
PROTOCHORDATE n. a member of the Protochordata.

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: 53 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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