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There are 12 thirteen-letter words containing G, 2I, N, 3O and T

ACTINOBIOLOGYactinobiology n. The study of the effects of radiation upon living organisms.
ACTINOBIOLOGY n. the branch of biology concerned with the effects of radiation on living organisms.
COGNOMINATIONcognomination n. A cognomen, surname.
COGNOMINATION n. the act of cognominating, naming.
NONBIOLOGISTSnonbiologists n. Plural of nonbiologist.
NONBIOLOGIST n. one who is not a biologist.
OPPIGNORATIONoppignoration n. (Obsolete) The act of pawning or laying in pledge.
OPPIGNORATION n. the act of pawning, also OPPIGNERATION.
ORNITHOLOGIESornithologies n. Plural of ornithology.
ORNITHOLOGY n. the study of birds.
ORNITHOLOGISTornithologist n. A person who studies or practices ornithology.
ORNITHOLOGIST n. one who studies birds.
PHOTOIONISINGPHOTOIONISE v. to ionize by electromagnetic radiation, also PHOTOIONIZE.
PHOTOIONIZINGphotoionizing adj. That causes or undergoes photoionization.
PHOTOIONIZE v. to ionize by electromagnetic radiation, also PHOTOIONISE.
PROPORTIONINGproportioning v. Present participle of proportion.
PROPORTIONING n. an adjustment of proportions.
PROTOCOLISINGprotocolising v. Present participle of protocolise.
PROTOCOLISE v. to make a protocol of, also PROTOCOLIZE.
PROTOCOLIZINGprotocolizing v. Present participle of protocolize.
PROTOCOLIZE v. to make a protocol of, also PROTOCOLISE.
SINDONOLOGISTsindonologist n. One who studies the Shroud of Turin from a believing perspective.
SINDONOLOGIST n. an expert on the Turin shroud.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 69 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: 5 words
  • Scrabble in Italian: 37 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 69 words


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