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List of 12-letter words containing

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There are 18 twelve-letter words containing 2H, I, O, 2S and Y

HALOPHYTISMSHALOPHYTISM n. the state of being a halophyte.
HOLOPHYTISMSHOLOPHYTISM n. the property of being holophytic, obtaining food by photosynthesis.
HYGROCHASIESHYGROCHASY n. dehiscence on moistening.
HYLOPATHISMSHYLOPATHISM n. belief in ability of matter to affect the spiritual world.
HYLOPATHISTShylopathists n. Plural of hylopathist.
HYLOPATHIST n. a believer in the capability of matter to affect spirit.
HYPOSTHENIASHYPOSTHENIA n. lack of strength.
HYPOTHESISEDhypothesised v. Simple past tense and past participle of hypothesise.
HYPOTHESISE v. to form a hypothesis, also HYPOTHESIZE, HYPOTHETISE, HYPOTHETIZE.
HYPOTHESISERhypothesiser n. Alternative form of hypothesizer.
HYPOTHESISER n. one who hypothesises, also HYPOTHESIZER.
HYPOTHESISEShypothesises v. Third-person singular simple present indicative form of hypothesise.
HYPOTHESISE v. to form a hypothesis, also HYPOTHESIZE, HYPOTHETISE, HYPOTHETIZE.
HYPOTHESISTShypothesists n. Plural of hypothesist.
HYPOTHESIST n. one who forms a hypothesis.
HYPOTHESIZEShypothesizes v. Third-person singular simple present indicative form of hypothesize.
HYPOTHESIZE v. to make a hypothesis, also HYPOTHESISE, HYPOTHETISE, HYPOTHETIZE.
HYPOTHETISEShypothetises v. Third-person singular simple present indicative form of hypothetise.
HYPOTHETISE v. to form a hypothesis, also HYPOTHESISE, HYPOTHESIZE, HYPOTHETIZE.
HYPSOPHOBIASHYPSOPHOBIA n. a fear of falling from high places.
ICHTHYOPSIDSICHTHYOPSID n. a member of the Ichthyopsida, amphibians, fishes and fishlike vertebrates, also ICHTHYOPSIDAN.
ICHTHYOSAURSichthyosaurs n. Plural of ichthyosaur.
ICHTHYOSAUR n. a large fossil marine reptile, also ICHTHYOSAURIAN, ICHTHYOSAURUS.
SCHIZOPHYTESschizophytes n. Plural of schizophyte.
SCHIZOPHYTE n. a plant of the Schizophyta, an obsolete grouping of organisms that multiply only by fission, including bacteria and blue-green algae.
SCHOOLBOYISHschoolboyish adj. Resembling a schoolboy in behaviour.
SCHOOLBOYISH adj. of or like a schoolboy.
SYCOPHANTISHsycophantish adj. (Archaic) sycophantic.
SYCOPHANTISH adj. like a sycophant.

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: 37 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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