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List of 12-letter words containing

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There are 20 twelve-letter words containing C, D, O, T and 2U

AUTODESTRUCTautodestruct v. (Intransitive, chiefly science fiction) To destroy itself by design (as of a mechanical system).
autodestruct n. (Chiefly science fiction) A feature of a system whereby it destroys itself.
AUTODESTRUCT v. to self-destruct.
COUNTERMUREDcountermured v. Simple past tense and past participle of countermure.
COUNTERMURE v. to defend with a countermure.
DECUMULATIONdecumulation n. The process of decumulating; in chemistry, any exothermic molecular change that converts a cumulated…
DECUMULATION n. a decrease in amount or value.
DISCOURTEOUSdiscourteous adj. Impolite; lacking consideration for others.
DISCOURTEOUS adj. lacking courtesy, also DISCOURTEISE.
MULTIPRODUCTmultiproduct adj. Involving more than one type of product.
MULTIPRODUCT adj. featuring many products.
OUTPRODUCINGoutproducing v. Present participle of outproduce.
OUTPRODUCE v. to surpass in production.
OUTREPRODUCEoutreproduce v. (Transitive) To surpass in reproducing; to outbreed.
OUTREPRODUCE v. to surpass in reproducing.
SUBINTRODUCESUBINTRODUCE v. to bring in surreptitiously or subtly.
SUPERCONDUCTsuperconduct v. To exhibit superconductivity.
SUPERCONDUCT v. to exhibit superconductivity.
THUNDERCLOUDthundercloud n. A large, dark cloud, usually a cumulonimbus, charged with electricity and producing thunder and lightning;…
thundercloud n. (By extension, figurative) Something menacing and brooding.
thunder␣cloud n. Alternative spelling of thundercloud.
TUBERCULOSEDtuberculosed adj. Affected with tuberculosis.
TUBERCULOSED adj. tuberculous, also TUBERCULOSE, TUBERCULOUS.
UNACCUSTOMEDunaccustomed adj. Not used to an event or thing, not accustomed.
unaccustomed v. Simple past tense and past participle of unaccustom.
UNACCUSTOMED adj. not customary.
UNCATALOGUEDuncatalogued adj. Not catalogued.
UNCATALOGUED adj. not catalogued, also UNCATALOGED.
UNCONJUGATEDunconjugated adj. Not conjugated.
UNCONJUGATED adj. not conjugated.
UNDERCOUNTEDundercounted v. Simple past tense and past participle of undercount.
UNDERCOUNT v. to miscount by counting too few.
UNDOCUMENTEDundocumented adj. Lacking instructions or reference material.
undocumented adj. Not having official documents that provide identification, authorization, etc.
undocumented n. (Informal) Synonym of undocumented immigrant.
UNINOCULATEDuninoculated adj. Not inoculated.
UNINOCULATED adj. not inoculated.
UNINTRODUCEDunintroduced adj. Not having been introduced.
UNINTRODUCED adj. not introduced.
UNOBSTRUCTEDunobstructed adj. Not obstructed.
unobstructed v. Simple past tense and past participle of unobstruct.
UNOBSTRUCTED adj. not obstructed.
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.

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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