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There are 13 thirteen-letter words containing E, H, 3O, R and 2T

HEORTOLOGISTSheortologists n. Plural of heortologist.
HEORTOLOGIST n. one who practises heortology, the study of religious feasts.
IONTOPHORETICiontophoretic adj. Of or pertaining to iontophoresis.
IONTOPHORETIC adj. relating to iontophoresis.
ODONTORNITHESODONTORNITHES n. fossil birds with teeth.
ORTHOPTEROIDSorthopteroids n. Plural of orthopteroid.
ORTHOPTEROID n. a member of the Orthoptera, cockroaches.
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.
PHOTOELECTRONphotoelectron n. (Physics) An electron ejected from the surface of a material by the photoelectric effect.
PHOTOELECTRON n. an electron released from a surface by a photon.
PHOTONEUTRONSphotoneutrons n. Plural of photoneutron.
PHOTONEUTRON n. a neutron emitted from a nucleus as a result of photodisintegration.
PHOTOREACTIONphotoreaction n. (Chemistry) a photochemical reaction.
PHOTOREACTION n. a photochemical reaction.
PHOTORECEPTORphotoreceptor n. (Biology) A specialized neuron or other structure able to detect and react to light.
PHOTORECEPTOR n. a receptor for light stimuli.
PROTOCHORDATEprotochordate n. Any chordate of the phyla Hemichordata, Urochordata or Cephalochordata.
PROTOCHORDATE n. a member of the Protochordata.
PROTOTROPHIESprototrophies n. Plural of prototrophy.
PROTOTROPHY n. the state of being prototrophic.
THORACOTOMIESthoracotomies n. Plural of thoracotomy.
THORACOTOMY n. surgical incision of the chest wall.
TROUBLESHOOTStroubleshoots v. Third-person singular simple present indicative form of troubleshoot.
TROUBLESHOOT v. to solve problems.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 82 words
  • Scrabble in French: 13 words
  • Scrabble in Spanish: 2 words
  • Scrabble in Italian: 4 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 9 words


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