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There are 15 thirteen-letter words containing G, H, N, 3O, R and T

CHRONOLOGISTSchronologists n. Plural of chronologist.
CHRONOLOGIST n. an expert in chronology, also CHRONOLOGER.
GERONTOPHOBESgerontophobes n. Plural of gerontophobe.
GERONTOPHOBE n. one with a morbid fear of old age.
GERONTOPHOBIAgerontophobia n. An abnormal and persistent fear of aging or growing old.
gerontophobia n. An abnormal and persistent fear of elderly individuals or people.
gerontophobia n. An aversion or hatred towards elderly people.
GONADOTROPHICgonadotrophic adj. Of, pertaining to, or stimulating the functions of the gonads.
GONADOTROPHIC adj. stimulating the gonads, also GONADOTROPIC.
GONADOTROPHINgonadotrophin n. Any of a group of protein hormones secreted by gonadotrope cells of the pituitary gland of vertebrates.
GONADOTROPHIN n. a substance that stimulates the gonads.
NEUROETHOLOGYneuroethology n. The study of animal behavior and its underlying control by the nervous system.
NEUROETHOLOGY n. the description of features of animal behaviour in terms of the mechanisms of the nervous system.
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.
ORTHODIAGONALorthodiagonal n. (Crystallography) The diagonal or lateral axis in a monoclinic crystal which is at right angles with…
ORTHODIAGONAL n. in a monoclinic crystal, that lateral axis which is perpendicular to the vertical axis.
ORTHOGNATHOUSorthognathous adj. (Anatomy) straight-jawed.
ORTHOGNATHOUS adj. having a lower jaw that neither projects nor recedes, also ORTHOGNATHIC.
ORTHOGONALISEorthogonalise v. Alternative form of orthogonalize.
ORTHOGONALISE v. to make orthogonal, also ORTHOGONALIZE.
ORTHOGONALITYorthogonality n. (Mathematics, statistics, software engineering) The property of being orthogonal.
ORTHOGONALITY n. the state of being orthogonal.
ORTHOGONALIZEorthogonalize v. (Transitive) To make orthogonal.
ORTHOGONALIZE v. to make orthogonal, also ORTHOGONALISE.
ORTHOHYDROGENorthohydrogen n. (Physics) form of the hydrogen molecule (H2) in which the two nuclei have parallel spin; about 75% of…
ORTHOHYDROGEN n. the form of molecular hydrogen, constituting about 75 per cent of the total at normal temperatures, in which the nuclei of the atoms spin in the same direction.
THOROUGHGOINGthoroughgoing adj. With great attention to detail; complete, thorough.
thorough-going adj. Alternative form of thoroughgoing.
THOROUGHGOING adj. marked by thoroughness or zeal.

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: 65 words
  • Scrabble in French: 8 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 8 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 8 words


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