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List of 13-letter words containing

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There are 19 thirteen-letter words containing H, 3O, P, S and Y

ANTHROPOSOPHYanthroposophy n. (Archaic, as used before Rudolf Steiner) Knowledge or understanding of human nature.
anthroposophy n. A philosophy founded in the early 20th century by the esotericist Rudolf Steiner (also capitalized as…
Anthroposophy prop.n. Alternative letter-case form of anthroposophy.
BIOPSYCHOLOGYbiopsychology n. Biological psychology.
BIOPSYCHOLOGY n. the branch of psychology, or of biology, which deals with the interaction of mind and body, and the effects of this interaction.
CACOPHONOUSLYcacophonously adv. In a cacophonous manner.
CACOPHONOUS adv. discordant, unpleasantly noisy, also CACOPHONIC, CACOPHONICAL, CACOPHONIOUS.
ECOPHYSIOLOGYecophysiology n. (Biology) The study of the relationships between, and adaptation of, the physiology of an organism and…
ECOPHYSIOLOGY n. the science of the interrelationships between the physiology of organisms and their environment.
ESOPHAGOSCOPYesophagoscopy n. (American spelling, medicine) Diagnostic inspection of the interior of the esophagus.
ESOPHAGOSCOPY n. examination of the oesophagus, also OESOPHAGOSCOPY.
HYPOTROCHOIDShypotrochoids n. Plural of hypotrochoid.
HYPOTROCHOID n. the curve traced by a point on the radius, or radius produced, of a circle rolling within another circle.
MONOPHYODONTSmonophyodonts n. Plural of monophyodont.
MONOPHYODONT n. an animal with only one set of teeth.
ONYCHOPHORANSonychophorans n. Plural of onychophoran.
ONYCHOPHORAN n. any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms.
PHOTOCOPYINGSphotocopyings n. Plural of photocopying.
PHOTOCOPYING n. the act of making a photocopy.
PHOTOPOLYMERSphotopolymers n. Plural of photopolymer.
PHOTOPOLYMER n. a photosensitive plastic used esp. in the manufacture of printing plates.
PHYTOHORMONESphytohormones n. Plural of phytohormone.
PHYTOHORMONE n. a plant hormone, regulating growth.
POLYCHOTOMIESpolychotomies n. Plural of polychotomy.
POLYCHOTOMY n. division into many parts, e.g. on a cladogram.
POLYCHOTOMOUSpolychotomous adj. Divisible or separable into multiple groups or pieces.
POLYCHOTOMOUS adj. dividing or marked by division into many parts, branches, or classes.
POLYPHONOUSLYpolyphonously adv. In a polyphonous manner.
POLYPHONOUS adv. relating to polyphony, also POLYPHONIC.
PROSOPOGRAPHYprosopography n. A study of the individuals in a group of people within a specific context and their relationships.
PROSOPOGRAPHY n. a biographical sketch; a description of person.
PSYCHOBIOLOGYpsychobiology n. (Psychology, biology) The study of the biological basis for cognition and other mental processes.
psychobiology n. (Psychology) The branch of psychology that interprets psychological phenomena in terms of adaptation…
PSYCHOBIOLOGY n. the study of the biology of the mind.
PYTHONOMORPHSpythonomorphs n. Plural of pythonomorph.
PYTHONOMORPH n. a large marine reptile of the Cretaceous period, with long, scaly body and paddle-shaped limbs.
ZOOPHYSIOLOGYzoophysiology n. Animal physiology.
ZOOPHYSIOLOGY n. the study of animal physiology.
ZOOPSYCHOLOGYzoopsychology n. The study of psychology in animals.
zoöpsychology n. Alternative spelling of zoopsychology.
ZOOPSYCHOLOGY n. the psychology of the lower animals.

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


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