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There are 15 twelve-letter words containing C, E, H, M, P, R, T and Y

CEPHALOMETRYcephalometry n. The measurement of the head, especially in order to study growth, development, and disease.
CEPHALOMETRY n. the science of measuring the head in living individuals.
CHEMOTHERAPYchemotherapy n. (Medicine) Any chemical treatment intended to be therapeutic with respect to a disease state.
chemotherapy n. (Oncology, most common usage) chemical treatment to kill or halt the replication and/or spread of cancerous…
CHEMOTHERAPY n. therapy involving the use of chemicals.
COMETOGRAPHYcometography n. A scientific description of comets.
COMETOGRAPHY n. the description of comets.
CRYMOTHERAPYCRYMOTHERAPY n. medical treatment using extreme cold, also CRYOTHERAPY.
HYPERTHERMIChyperthermic adj. Having a very high temperature.
hyperthermic adj. Relating to hyperthermia.
HYPERTHERMIC adj. relating to hyperthermia.
HYPONATREMIChyponatremic adj. (Biology, medicine) Exhibiting or relating to hyponatremia.
OOPHORECTOMYoophorectomy n. (Medicine) Surgical removal of one or both ovaries.
oöphorectomy n. Alternative spelling of oophorectomy.
OOPHORECTOMY n. the operation of removing one or both of the ovaries, aka ovariotomy.
PARENCHYMATAparenchymata n. Plural of parenchyma.
PARENCHYMA n. the ordinary soft thin-walled tissue of plants, not differentiated into conducting or mechanical tissue.
PHYTOCHROMESphytochromes n. Plural of phytochrome.
PHYTOCHROME n. a plant pigment which absorbs red or infrared rays and acts as an enzyme controlling growth.
PSYCHOMETERSpsychometers n. Plural of psychometer.
PSYCHOMETER n. an instrument measuring the duration and intensity of mental states.
PSYCHOMETRICpsychometric adj. Of or pertaining to psychometrics.
PSYCHOMETRIC adj. relating to psychometry, also PSYCHOMETRICAL, PSYCHROMETRIC, PSYCHROMETRICAL.
PSYCHROMETERpsychrometer n. (Meteorology) Any of several instruments used to measure the relative humidity of the atmosphere; especially…
PSYCHROMETER n. an instrument for measuring the dryness of the atmosphere.
PSYCHROMETRYpsychrometry n. The measurement or study of the thermodynamic properties of moist air.
PSYCHROMETRY n. measurement by psychrometer.
SPERMAPHYTICspermaphytic adj. Synonym of spermatophytic.
SPERMAPHYTIC adj. of or like a spermaphyte, also SPERMOPHYTIC.
SPERMOPHYTICspermophytic adj. (Botany) Capable of producing seeds.
SPERMOPHYTIC adj. of or like a spermaphyte, also SPERMAPHYTIC.

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: 49 words
  • Scrabble in French: 6 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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