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List of 13-letter words containing

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There are 18 thirteen-letter words containing A, G, I, 3O, R and S

AEROBIOLOGIESAEROBIOLOGY n. the study of airborne organisms.
AEROBIOLOGISTaerobiologist n. A biologist specializing in aerobiology.
AEROBIOLOGIST n. one who studies airborne microorganisms.
AGROBIOLOGIESAGROBIOLOGY n. the study of plant nutrition and soil yields.
AGROBIOLOGISTagrobiologist n. One who studies bacteria and other organisms in soil for the purpose of growing crops or feeding animals.
agrobiologist n. One who studies the nutrition or breeding of animals or crops.
AGROBIOLOGIST n. one who studies plant nutrition and soil yields.
AGROECOLOGIESagroecologies n. Plural of agroecology.
AGROSTOLOGIESAGROSTOLOGY n. the science or study of grasses.
AGROSTOLOGISTagrostologist n. One who studies agrostology.
AGROSTOLOGIST n. one who studies grasses.
APOGEOTROPISMapogeotropism n. (Botany) An apogeotropic tendency.
APOGEOTROPISM n. bending up or away from the ground.
GONADOTROPINSgonadotropins n. Plural of gonadotropin.
GONADOTROPIN n. a gonadotropic hormone, as follicle-stimulating hormone.
MOTORBOATINGSMOTORBOATING n. travelling by motorboat.
ORGANOLOGISTSorganologists n. Plural of organologist.
ORGANOLOGIST n. a specialist in organology.
ORISMOLOGICALorismological adj. Of or pertaining to orismology.
ORISMOLOGICAL adj. relating to orismology, the science of defining technical terms.
ORTHOGONALISEorthogonalise v. Alternative form of orthogonalize.
ORTHOGONALISE v. to make orthogonal, also ORTHOGONALIZE.
PLAGIOTROPOUSPLAGIOTROPOUS adj. showing plagiotropism, the tendency to grow at an oblique or horizontal angle.
PROLONGATIONSprolongations n. Plural of prolongation.
PROLONGATION n. the act of prolonging.
PROSOPAGNOSIAprosopagnosia n. (Neurology, pathology, psychology) A form of visual agnosia characterized by difficulty with face recognition…
PROSOPAGNOSIA n. inability to recognize familiar faces.
ZOOSPORANGIALzoosporangial adj. Of or pertaining to zoosporangia.
ZOOSPORANGIAL adj. relating to zoosporangia.
ZOOSPORANGIUMzoosporangium n. (Botany) A sporangium, or conceptacle containing or producing zoospores.
zoösporangium n. Alternative spelling of zoosporangium.
ZOOSPORANGIUM n. a spore case or sporangium bearing zoospores.

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: 64 words
  • Scrabble in French: 11 words
  • Scrabble in Spanish: 66 words
  • Scrabble in Italian: 91 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 47 words


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