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List of 13-letter words containing

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There are 16 thirteen-letter words containing I, 2N, 2O, P, T and U

ANTIPOLLUTIONantipollution n. Anything that helps the environment by reducing pollution.
antipollution adj. Reducing or opposing pollution.
ANTIPOLLUTION adj. designed to prevent or reduce pollution.
CONSPURCATIONconspurcation n. (Obsolete) defilement.
CONSPURCATION n. (obsolete) defilement.
CONSTUPRATIONconstupration n. (Archaic) The act of ravishing; violation; defilement.
CONSTUPRATION n. the act of constuprating, ravishing.
COUNTERPOINTScounterpoints n. Plural of counterpoint.
counterpoints v. Third-person singular simple present indicative form of counterpoint.
COUNTERPOINT v. to compose or arrange in counterpoint.
COUNTERPOSINGcounterposing v. Present participle of counterpose.
COUNTERPOSE v. to place in opposition, contrast, or equilibrium.
INCORRUPTIONSincorruptions n. Plural of incorruption.
INCORRUPTION n. the state of being free from physical decay.
INOCCUPATIONSINOCCUPATION n. lack of occupation.
INOPPORTUNELYinopportunely adv. In an inopportune manner.
INOPPORTUNE adv. inconvenient, unseasonable.
INOPPORTUNITYinopportunity n. (Dated) Lack of opportunity; unseasonableness; inconvenience.
INOPPORTUNITY n. the state of being inopportune.
NONPRODUCTIVEnonproductive adj. Not productive.
non-productive adj. Alternative form of nonproductive.
NONPRODUCTIVE adj. not productive.
NUCLEOPROTEINnucleoprotein n. (Biochemistry) Any complex of a nucleic acid and a protein.
NUCLEOPROTEIN n. a compound that consists of a protein (as a histone) conjugated with a nucleic acid (as a DNA) and that is the principal constituent of the hereditary material in chromosomes.
OUTPASSIONINGoutpassioning v. Present participle of outpassion.
OUTPASSION v. to exceed in passion.
PLASTOQUINONEplastoquinone n. (Biochemistry) a quinone, related to the carotenoids, involved in the electron transport process of photosynthesis.
PLASTOQUINONE n. a plant substance that is related to vitamin K and plays a role in photosynthetic phosphorylation.
PRONUNCIATIONpronunciation n. (Countable) The formal or informal way in which a word is made to sound when spoken.
pronunciation n. (Uncountable) The way in which the words of a language are made to sound when speaking.
pronunciation n. (Countable) The act of pronouncing or uttering a vocable.
PROPUGNATIONSpropugnations n. Plural of propugnation.
PROPUGNATION n. (Shakespeare) defence.
SULPHONATIONSsulphonations n. Plural of sulphonation.
SULPHONATION n. the act of sulphonating.

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: 110 words
  • Scrabble in French: 22 words
  • Scrabble in Spanish: 8 words
  • Scrabble in Italian: 28 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 32 words


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