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There are 18 twelve-letter words containing A, E, G, I, 2N and 2O

BOOMERANGINGboomeranging v. Present participle of boomerang.
BOOMERANG v. to return like a boomerang.
CLOISONNAGESCLOISONNAGE n. cloisonne work or process.
COCARCINOGENcocarcinogen n. (Medicine) Any agent than can cause the onset of cancer only when working with carcinogenic agents.
COCARCINOGEN n. an agent that aggravates the carcinogenic effects of another substance.
COENAMOURINGCOENAMOUR v. to enamour jointly, also COENAMOR.
COGENERATIONcogeneration n. The production of heat and/or power from the waste energy of an industrial process.
cogeneration n. The simultaneous or serial production of heat and electricity from the same source.
cogeneration n. Joint generation; cocreation.
COGNOMINATEDcognominated v. Simple past tense and past participle of cognominate.
COGNOMINATE v. to name.
COGNOMINATEScognominates v. Third-person singular simple present indicative form of cognominate.
COGNOMINATE v. to name.
CONGELATIONScongelations n. Plural of congelation.
CONGELATION n. the act of freezing something into a solid state.
CONGREGATIONcongregation n. The act of congregating or collecting together.
congregation n. A gathering of faithful in a temple, church, synagogue, mosque or other place of worship. It can also…
congregation n. A Roman Congregation, a main department of the Vatican administration of the Catholic Church.
GONFALONIERSgonfaloniers n. Plural of gonfalonier.
GONFALONIER n. a person who carries a gonfalon; the chief magistrate in some medieval Italian republics.
HALOGENATIONhalogenation n. (Chemistry) The reaction of a halogen with something, especially the replacement of a hydrogen atom…
HALOGENATION n. the act of halogenating.
NEGOTIATIONSnegotiations n. Plural of negotiation.
NEGOTIATION n. the act of negotiating.
NONOPERATINGnonoperating adj. Not operating.
nonoperating adj. Not of or pertaining to operation.
non-operating adj. Alternative form of nonoperating.
OCTOGENARIANoctogenarian n. Synonym of eightysomething: a person between 80 and 89 years old.
octogenarian adj. Of or related to eightysomethings.
OCTOGENARIAN n. a person whose age is in the eighties.
ORGANOGENIESORGANOGENY n. the development of living organisms.
OUTREASONINGoutreasoning v. Present participle of outreason.
OUTREASON v. to surpass in reasoning.
OXYGENATIONSoxygenations n. Plural of oxygenation.
OXYGENATION n. the act of oxygenating.
VINEGARROONSvinegarroons n. Plural of vinegarroon.
VINEGARROON n. a large whip scorpion, named from the odor that it emits when alarmed.

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: 123 words
  • Scrabble in French: 84 words
  • Scrabble in Spanish: 90 words
  • Scrabble in Italian: 244 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 27 words


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