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List of 12-letter words containing

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There are 16 twelve-letter words containing I, N, O, P, R and 2U

CUPRAMMONIUMcuprammonium n. (Inorganic chemistry) Synonym of cuproammonium.
CUPRAMMONIUM n. a solution of cupric hydroxide in ammonia.
OUTPRODUCINGoutproducing v. Present participle of outproduce.
OUTPRODUCE v. to surpass in production.
PUNCTURATIONpuncturation n. The act or process of puncturing.
puncturation n. A puncture mark.
PUNCTURATION n. being marked with punctures.
RUMGUMPTIONSRUMGUMPTION n. (Scots) common sense, also RUMBLEGUMPTION, RUMELGUMPTION, RUMLEGUMPTION, RUMMELGUMPTION, RUMMLEGUMPTION.
SPURIOUSNESSspuriousness n. The property of being spurious.
SPURIOUSNESS n. the state of being spurious.
SULPHURATIONsulphuration n. Alternative form of sulfuration.
SULPHURATION n. the act of sulphurating, also SULFURATION.
SUPERFUSIONSsuperfusions n. Plural of superfusion.
SUPERFUSION n. the act of superfusing.
SUPPURATIONSsuppurations n. Plural of suppuration.
SUPPURATION n. the discharge of pus.
SUSPENSORIUMsuspensorium n. (Anatomy) Anything that suspends or holds up a part, especially the mandibular suspensorium, a series…
SUSPENSORIUM n. that which holds up a part, esp. the arrangement joining the lower jaw to the cranium in vertebrates below mammals.
TRANSPICUOUStranspicuous adj. (Rare) Easily construed or seen through.
TRANSPICUOUS adj. easily understood or seen through.
UNIMPORTUNEDunimportuned adj. Not importuned.
UNIMPORTUNED adj. not importuned.
UNPOPULARITYunpopularity n. The property or degree of being unpopular.
UNPOPULARITY n. the state of being unpopular.
UNPRODUCTIVEunproductive adj. Not productive; useless; fruitless.
unproductive adj. (Linguistics, of affixes, mechanisms of word formation, etc) No longer used to produce new words (see examples).
UNPRODUCTIVE adj. not productive.
UNPROPITIOUSunpropitious adj. Not propitious; unfavourable, untimely.
UNPROPITIOUS adj. not propitious.
UNSUPPORTIVEunsupportive adj. Not supportive.
UNWORSHIPFULunworshipful adj. Not worshipful.
UNWORSHIPFUL adj. not worshipful.

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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