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 List of 13-letter words containing ••••••Click to add an eighth letter
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 There are 13 thirteen-letter words containing A, D, H, 2N and 2O| CHONDROCRANIA | • chondrocrania n. Plural of chondrocranium. • CHONDROCRANIUM n. the cartilaginous parts of an embryonic cranium. |  | CHONDROSAMINE | • chondrosamine n. (Dated) galactosamine. • CHONDROSAMINE n. an amino-sugar, the basis of chondroitin. |  | CHONDROSTIANS | • CHONDROSTIAN n. a member of the Chondrostei, an order of bony fishes including the sturgeon and bichir. |  | COMPANIONHOOD | • companionhood n. The role or status of companion. • COMPANIONHOOD n. the state of being a companion. |  | ENCHONDROMATA | • enchondromata n. Plural of enchondroma. • ENCHONDROMA n. an abnormal cartilaginous growth. |  | GENTLEMANHOOD | • gentlemanhood n. The qualities or condition of a gentleman. • GENTLEMANHOOD n. the state of being a gentleman. |  | GONADOTROPHIN | • gonadotrophin 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. |  | GYNANDROMORPH | • gynandromorph n. An insect, crustacean or bird literally having physical characteristics of both sexes, usually displaying… • gynandromorph n. A person having certain physical characteristics of both sexes. • GYNANDROMORPH n. an animal having both male and female characteristics. |  | HYDROGENATION | • hydrogenation n. (Chemistry) The chemical reaction of hydrogen with another substance, especially with an unsaturated… • HYDROGENATION n. the act of hydrogenating. |  | MONODELPHIANS | • monodelphians n. Plural of monodelphian. • MONODELPHIAN n. any placental mammal that is a member of the group Monodelphi. |  | ODONTOPHORANS | • ODONTOPHORAN n. an odontophore, the rasping apparatus in molluscs. |  | PHYTONADIONES | • PHYTONADIONE n. phylloquinone, vitamin K1. |  | SCALENOHEDRON | • scalenohedron n. (Geometry, mineralogy, crystallography) A polyhedron having twelve sides, each in the form of a scalene… • SCALENOHEDRON n. a hemihedral form bounded in the hexagonal system by twelve, in the tetragonal by eight, faces, each a scalene triangle. |  
 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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