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There are 16 twelve-letter words containing A, C, H, M, 2O and Y

ACTINOMORPHYactinomorphy n. The condition of being actinomorphic.
ACTINOMORPHY n. the quality of being actinomorphic.
CHROMATOLOGYchromatology n. The scientific study of colour.
CHROMATOLOGY n. the science of colour.
COMETOGRAPHYcometography n. A scientific description of comets.
COMETOGRAPHY n. the description of comets.
HOMEOTYPICALhomeotypical adj. (Biology) Of or resembling the usual type.
HOMEOTYPICAL adj. denoting or relating to the second nuclear division of meiosis, which resembles mitosis, also HOMOEOTYPICAL.
HYMNOLOGICALhymnological adj. Relating to hymnology.
HYMNOLOGICAL adj. related to hymnology, the study of hymns, also HYMNOLOGIC.
HYPOCORISMASHYPOCORISMA n. the use of a pet name or nickname, also HYPOCORISM.
HYPOVOLAEMIChypovolaemic adj. Alternative form of hypovolemic.
MONOCHROMASYMONOCHROMASY n. complete colour-blindness.
MYTHOLOGICALmythological adj. Of, or relating to myths or mythology.
mythological adj. Legendary.
mythological adj. (Colloquial) Imaginary.
OMPHALOMANCYomphalomancy n. Divination by means of a child’s navel, to learn how many children the mother may have.
OMPHALOMANCY n. predicting the number of children a mother will bear by counting the knots in her firstborn's umbilical cord.
ORNITHOMANCYornithomancy n. Divination by means of birds, especially from their behaviour, flight, vocalisations, etc.
ORNITHOMANCY n. divination by observing flight of birds.
PHARMACOLOGYpharmacology n. (Medicine) The science of drugs including their origin, composition, pharmacokinetics, therapeutic use…
pharmacology n. (Medicine) The properties and reactions of drugs especially with relation to their therapeutic value.
PHARMACOLOGY n. the study of drugs.
PHOTODYNAMICphotodynamic adj. Of, relating to, or caused by the energy or momentum of light or other electromagnetic radiations.
photodynamic adj. Of, or relating to photodynamics.
PHOTODYNAMIC adj. of, relating to, or having the property of intensifying or inducing a toxic reaction to light (as in the destruction of cancer cells stained with a light-sensitive dye) in a living system.
TETRACHOTOMYtetrachotomy n. Division of a whole into four parts.
tetrachotomy n. (Logic) Quaternary classification.
tetrachotomy n. Tetralemma.
THORACOSTOMYthoracostomy n. Incision into the chest wall, with maintenance of the opening for drainage.
THORACOSTOMY n. the construction of an artificial opening in the chest, usually to draw off fluid or release a buildup of air.
TRACHEOSTOMYtracheostomy n. (Surgery) A surgical procedure in which an incision is made into the trachea, through the neck, and…
TRACHEOSTOMY n. a surgical incision into the windpipe, to relieve choking, also TRACHEOTOMY.

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


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