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There are 14 twelve-letter words containing G, 2I, 2O, S and 2T

AETIOLOGISTSaetiologists n. Plural of aetiologist.
ætiologists n. Plural of ætiologist.
AETIOLOGIST n. a student of aetiology, also ETIOLOGIST.
AUTOTOMISINGautotomising v. Present participle of autotomise.
AUTOTOMISE v. to effect an autotomy, the reflex loss of part of the body to save the whole (in lizards, etc.), also AUTOTOMIZE.
CONTAGIONISTcontagionist n. One who believes in the contagious character of certain diseases, such as yellow fever.
CONTAGIONIST n. (obsolete) a person who believes in the contagiousness of diseases.
DELTIOLOGISTdeltiologist n. A collector of picture postcards.
DELTIOLOGIST n. a collector of picture postcards.
GNOTOBIOTICSgnotobiotics n. The science involved with maintaining a microbiologically controlled environment.
GNOTOBIOTICS n. the study of organisms living in germfree conditions or when inoculated with known microorganisms.
GONIATITOIDSGONIATITOID n. a fossil like a goniatite.
HISTOLOGISTShistologists n. Plural of histologist.
HISTOLOGIST n. one who studies organic tissue.
LITHOLOGISTSlithologists n. Plural of lithologist.
LITHOLOGIST n. a student of lithology.
NEGOTIATIONSnegotiations n. Plural of negotiation.
NEGOTIATION n. the act of negotiating.
STORIOLOGISTstoriologist n. One who studies folk tales.
STORIOLOGIST n. a folklorist.
TIMBROLOGISTTIMBROLOGIST n. a collector of stamps.
TOXICOLOGISTtoxicologist n. A scientist or physician who specializes in toxicology.
TOXICOLOGIST n. an expert in toxicology.
TRIBOLOGISTStribologists n. Plural of tribologist.
TRIBOLOGIST n. a student of tribology.
TRICHOLOGISTtrichologist n. A professional who helps people with hair or scalp problems; a practitioner of trichology.
TRICHOLOGIST n. a person who specializes in hair and scalp care.

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: 47 words
  • Scrabble in French: 5 words
  • Scrabble in Spanish: 4 words
  • Scrabble in Italian: 51 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 24 words


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