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List of 13-letter words containing

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There are 20 thirteen-letter words containing A, D, N, 2O, S and Y

ACOTYLEDONOUSacotyledonous adj. Having no seed lobes, as the dodder; also applied to plants which have no true seeds, as ferns, mosses, etc.
ACOTYLEDONOUS adj. relating to an acotyledon.
ANDROGYNOUSLYandrogynously adv. In an androgynous manner.
BODYBOARDINGSBODYBOARDING n. the sport of riding a surfboard that is shorter and blunter than a standard board.
CHLAMYDOMONASChlamydomonas prop.n. A taxonomic genus within the family Chlamydomonadaceae – a unicellular green alga.
CHLAMYDOMONAS n. a member of the genus Chlamydomonas of (mainly freshwater) green algae.
CONDYLOMATOUScondylomatous adj. Relating to condyloma.
CONDYLOMATOUS adj. of or like a condyloma.
CYTODIAGNOSEScytodiagnoses n. Plural of cytodiagnosis.
CYTODIAGNOSIS n. medical diagnosis following the close examination of the cells of the body tissues or fluids, e.g. the smear test for cervical cancer.
CYTODIAGNOSIScytodiagnosis n. (Pathology) diagnosis by means of a study of the cells present in a sample.
CYTODIAGNOSIS n. medical diagnosis following the close examination of the cells of the body tissues or fluids, e.g. the smear test for cervical cancer.
DEMONSTRATORYdemonstratory adj. Serving to demonstrate something.
DEMONSTRATORY adj. serving to demonstrate.
DISHONOURABLYdishonourably adv. (Britain) Alternative spelling of dishonorably.
DISHONOURABLE adv. not honourable, also DISHONORABLE.
DYSMENORRHOEAdysmenorrhoea n. Alternative spelling of dysmenorrhea.
dysmenorrhœa n. Obsolete form of dysmenorrhea.
DYSMENORRHOEA n. painful menstruation, also DYSMENORRHEA.
HYDROGENATORShydrogenators n. Plural of hydrogenator.
HYDROGENATOR n. an agent that hydrogenates.
HYDROLYSATIONhydrolysation n. Alternative form of hydrolyzation.
HYDROLYSATION n. the process of hydrolysing, also HYDROLYZATION.
HYPOCHONDRIAShypochondrias n. Plural of hypochondria.
HYPOCHONDRIA n. suffering from imaginary illness.
MONODACTYLOUSmonodactylous adj. (Of an animal) Having a single digit on each limb, especially a single claw that can be used to grasp.
MONODACTYLOUS adj. one-toed or one-fingered.
OLEANDOMYCINSoleandomycins n. Plural of oleandomycin.
OLEANDOMYCIN n. an antibiotic produced by a streptomyces.
PHOTODYNAMICSphotodynamics n. The study of the activating effects of light on living organisms.
PHOTODYNAMICS n. the branch of biology concerned with the effects of light on the actions of plants and animals.
PHYTONADIONESPHYTONADIONE n. phylloquinone, vitamin K1.
POLYDAEMONISMpolydaemonism n. Alternative form of polydemonism.
POLYDAEMONISM n. the belief in and worship of numerous supernatural powers, also POLYDEMONISM.
POSTSECONDARYpostsecondary adj. (Education, US and Canada) Of or pertaining to education or educational institutions subsequent to secondary…
POSTSECONDARY adj. taking place after secondary education.
STORYBOARDINGstoryboarding v. Present participle of storyboard.
STORYBOARD v. to put on a storyboard.

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: 172 words
  • Scrabble in French: 24 words
  • Scrabble in Spanish: 14 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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