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List of 15-letter words containing

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There are 11 fifteen-letter words containing 2I, N, O, 2P and Y

DISAPPOINTINGLYdisappointingly adv. In a disappointing manner.
DISAPPOINTING adv. DISAPPOINT, to fail to meet the expectation or hope of.
HYPERPOLARISINGhyperpolarising v. Present participle of hyperpolarise.
HYPERPOLARISE v. to increase the difference in electric potential across a cell membrane, also HYPERPOLARIZE.
HYPERPOLARIZINGhyperpolarizing v. Present participle of hyperpolarize.
HYPERPOLARIZE v. to produce an increase in potential difference across a biological membrane, also HYPERPOLARISE.
INAPPROPRIATELYinappropriately adv. In an inappropriate manner.
INAPPROPRIATE adv. not appropriate, also UNAPPROPRIATE.
PLENIPOTENTIARYplenipotentiary n. A person invested with full powers, especially as the diplomatic agent of a sovereign state, (originally)…
plenipotentiary adj. Invested with full power.
plenipotentiary adj. Of or relating to a plenipotentiary agent.
PREPOSITIONALLYprepositionally adv. In a prepositional manner.
prepositionally adv. As a preposition.
PREPOSITIONAL adv. relating to a preposition.
PROPORTIONALITYproportionality n. (Uncountable) the property of being proportional.
proportionality n. (Uncountable) the principle that government action ought to be proportional to the ends achieved (e…
proportionality n. (Countable) the degree to which something is in proportion.
PROPOSITIONALLYpropositionally adv. In a propositional manner.
PROPOSITIONAL adv. of the nature of a proposition.
PROPYLITISATIONPROPYLITISATION n. the process of propylitising, also PROPYLITIZATION.
PROPYLITIZATIONpropylitization n. (Geology) The alteration of minerals and ores at low temperature and pressure.
PROPYLITIZATION n. the process of propylitizing, also PROPYLITISATION.
SUPPOSITIONALLYsuppositionally adv. In a suppositional manner; by means of, or in the context of, supposition.
SUPPOSITIONAL adv. having the nature of a supposition.

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: 79 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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