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There are 4 nine-letter words containing N, 2O, P, R, T and Y

IONOTROPYionotropy n. (Chemistry) A form of tautomerism involving the movement or redistribution of charges.
ionotropy n. (Physiology) The regulation of neurotransmitters or cell receptors by ion channels.
IONOTROPY n. the reversible interconversion of a pair of organic isomers.
PHONATORYphonatory adj. Relating to phonation.
PHONATORY adj. relating to phonation, the production of vocal sound.
PHYTOTRONphytotron n. (Biology) A laboratory in the form of a greenhouse or similar building in which plants can be grown…
PHYTOTRON n. an apparatus that produces climates artificially for the study of plant growth.
PROTOGYNYprotogyny n. (Biology) The condition in which an organism begins life as a female and then changes into a male.
protogyny n. (Botany) The condition of flowers whose female parts mature before the male ones.
PROTOGYNY n. the development of female organs before male to avoid self-fertilization.

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: 28 words
  • Scrabble in French: 5 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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