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List of 13-letter words containing

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There are 14 thirteen-letter words containing H, 2I, 3O, R and T

HISTIOPHOROIDHISTIOPHOROID adj. related to a genus of swordfish.
HOMOEROTICISMhomoeroticism n. The state or quality of being homoerotic.
HOMOEROTICISM n. homosexuality, also HOMOEROTISM.
HOMOIOTHERMIChomoiothermic adj. Alternative form of homeothermic.
HOMOIOTHERMIC adj. keeping the same temperature, warm-blooded, also HOMEOTHERMIC, HOMOEOTHERMIC.
IONTOPHORESISiontophoresis n. (Medicine) A treatment in which electrodes are put in contact with tissue and a voltage is applied in…
IONTOPHORESIS n. the introduction of an ionized substance, such as a drug, through intact skin by the application of a direct electric current.
IONTOPHORETICiontophoretic adj. Of or pertaining to iontophoresis.
IONTOPHORETIC adj. relating to iontophoresis.
MITOCHONDRIONmitochondrion n. (Cytology) A spherical or ovoid organelle found in the cytoplasm of eukaryotic cells and containing…
MITOCHONDRION n. a cell structure containing enzymes that provide the cell with energy.
OLIGOTROPHIESOLIGOTROPHY n. the state of being oligotrophic.
ORCHIDOLOGISTorchidologist n. One who studies orchids.
ORCHIDOLOGIST n. one who studies orchids.
ORNITHOLOGIESornithologies n. Plural of ornithology.
ORNITHOLOGY n. the study of birds.
ORNITHOLOGISTornithologist n. A person who studies or practices ornithology.
ORNITHOLOGIST n. one who studies birds.
ORNITHOPHOBIAornithophobia n. Fear of birds.
ORNITHOPHOBIA n. fear of birds.
ORTHOPINAKOIDORTHOPINAKOID n. in monoclinic crystals, a form consisting of two faces parallel to the orthodiagonal and the vertical axis.
PHOTOPERIODICphotoperiodic adj. Of, pertaining to, or exhibiting photoperiodism.
PHOTOPERIODIC adj. relating to a photoperiod.
PROTOHISTORICprotohistoric adj. Of or pertaining to protohistory.
PROTOHISTORIC adj. relating to protohistory.

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: 60 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: 7 words
  • Scrabble in Italian: 10 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 53 words


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