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List of 13-letter words containing

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There are 18 thirteen-letter words containing A, N, 3O 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.
ACTINOBIOLOGYactinobiology n. The study of the effects of radiation upon living organisms.
ACTINOBIOLOGY n. the branch of biology concerned with the effects of radiation on living organisms.
ANTHROPOSOPHYanthroposophy n. (Archaic, as used before Rudolf Steiner) Knowledge or understanding of human nature.
anthroposophy n. A philosophy founded in the early 20th century by the esotericist Rudolf Steiner (also capitalized as…
Anthroposophy prop.n. Alternative letter-case form of anthroposophy.
CACOPHONOUSLYcacophonously adv. In a cacophonous manner.
CACOPHONOUS adv. discordant, unpleasantly noisy, also CACOPHONIC, CACOPHONICAL, CACOPHONIOUS.
CHEMOTAXONOMYchemotaxonomy n. (Biochemistry, genetics) The classification or taxonomy of organisms based on differences and similarities…
CHEMOTAXONOMY n. the classification of plants and animals based on similarities and differences in biochemical composition.
CONDYLOMATOUScondylomatous adj. Relating to condyloma.
CONDYLOMATOUS adj. of or like a condyloma.
CYTOTAXONOMICcytotaxonomic adj. (Taxonomy) Relating to cytotaxonomy.
CYTOTAXONOMIC adj. relating to cytotaxonomy.
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.
MONOTONICALLYmonotonically adv. In a monotonic manner, pertaining to the Greek system of diacritics which discards the breathings and…
monotonically adv. (Mathematics) In a monotonic manner, of a function that either never decreases or never increases as…
MONOTONIC adv. having one tone; of a mathematical series, increasing or decreasing evenly.
NOMOLOGICALLYnomologically adv. In terms or by means of nomology.
NOMOLOGICAL adv. relating to nomology, the science of reasoning, also NOMOLOGIC.
NOSOLOGICALLYnosologically adv. In terms of nosology.
NOSOLOGICAL adv. relating to nosology, the science of diseases, also NOSOLOGIC.
ONTOLOGICALLYontologically adv. In an ontological manner.
ONTOLOGICAL adv. based upon being or existence, also ONTOLOGIC.
ONYCHOPHORANSonychophorans n. Plural of onychophoran.
ONYCHOPHORAN n. any of numerous velvety-skinned wormlike carnivorous animals common in tropical forests having characteristics of both arthropods and annelid worms.
ORTHOGONALITYorthogonality n. (Mathematics, statistics, software engineering) The property of being orthogonal.
ORTHOGONALITY n. the state of being orthogonal.
PALAEONTOLOGYpalaeontology n. Britain standard spelling of paleontology.
palæontology n. Obsolete typography of palaeontology.
PALAEONTOLOGY n. the study of fossils, also PALEONTOLOGY.
POLYGONACEOUSpolygonaceous adj. (Botany) Of or pertaining to a family of apetalous plants, Polygonaceae, of which the knotweeds of the…
POLYGONACEOUS adj. belonging to the family Polygonaceae, knotgrasses.
PROPAROXYTONEproparoxytone adj. (Linguistics, of a word) Having the stress or accent on the antepenultimate syllable.
proparoxytone n. (Linguistics) A proparoxytone word.
PROPAROXYTONE n. in ancient Greek, a word having the acute accent on the third last syllable.
SOMATOSENSORYsomatosensory adj. (Biology) Of or pertaining to the perception of sensory stimuli produced by the skin or internal organs.
SOMATOSENSORY adj. of, relating to, or being sensory activity having its origin elsewhere than in the special sense organs (as eyes and ears) and conveying information about the state of the body proper and its immediate environment.

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: 175 words
  • Scrabble in French: 14 words
  • Scrabble in Spanish: 5 words
  • Scrabble in Italian: 4 words
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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