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List of 13-letter words containing

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There are 19 thirteen-letter words containing G, 2H, I, O, T and Y

DIPHTHONGALLYdiphthongally adv. By means of a diphthong.
DIPHTHONGAL adv. of or like a diphthong.
HELMINTHOLOGYhelminthology n. (Zoology) The branch of zoology related to the study of helminths (parasitic worms).
HELMINTHOLOGY n. the study of parasitic worms.
HIEROGLYPHISThieroglyphist n. One versed in hieroglyphs.
HIEROGLYPHIST n. a person skilled in hieroglyphics.
HONEYMONTHINGHONEYMONTH v. (obsolete) to spend one's honeymoon, also HONEYMOON.
HYETOGRAPHIESHYETOGRAPHY n. the study of rainfall distribution.
HYPNOBIRTHINGhypnobirthing n. The use of hypnotherapy to ease the process of childbirth.
HYPNOBIRTHING n. the use of hypnotic technique during labour by an expectant mother to reduce the pain and emotional stress of delivery.
HYPOGNATHISMSHYPOGNATHISM n. the state of being hypognathous.
HYPOTHECATINGhypothecating v. Present participle of hypothecate.
HYPOTHECATE v. to pledge as security without title or possession.
HYPOTHESISINGhypothesising v. Present participle of hypothesise.
HYPOTHESISE v. to form a hypothesis, also HYPOTHESIZE, HYPOTHETISE, HYPOTHETIZE.
HYPOTHESIZINGhypothesizing v. Present participle of hypothesize.
HYPOTHESIZE v. to make a hypothesis, also HYPOTHESISE, HYPOTHETISE, HYPOTHETIZE.
HYPOTHETISINGhypothetising v. Present participle of hypothetise.
HYPOTHETISE v. to form a hypothesis, also HYPOTHESISE, HYPOTHESIZE, HYPOTHETIZE.
HYPOTHETIZINGhypothetizing v. Present participle of hypothetize.
HYPOTHETIZE v. to form a hypothesis, also HYPOTHESISE, HYPOTHESIZE, HYPOTHETISE.
ICHTHYOLOGIESICHTHYOLOGY n. the study of fish.
ICHTHYOLOGISTichthyologist n. An expert in ichthyology: one who studies fishes.
ICHTHYOLOGIST n. one who studies ichthyology.
MYTHOGRAPHIESmythographies n. Plural of mythography.
MYTHOGRAPHY n. the descriptive study or representation of myths.
ONYCHOPHAGISTonychophagist n. (Rare) A person who bites his or her fingernails.
ONYCHOPHAGIST n. one who bites their fingernails.
OPISTHOGRAPHYopisthography n. A writing upon the back of anything, as upon the back of a sheet already written upon on one side.
OPISTHOGRAPHY n. inscribing on the back as well as the front.
PHOTOGLYPHIESPHOTOGLYPHY n. photography by photoglyph.
PHYTOGRAPHIESPHYTOGRAPHY n. descriptive botany.

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: 40 words
  • Scrabble in French: 2 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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