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List of 13-letter words containing

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There are 20 thirteen-letter words containing A, E, L, 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.
CONSTELLATORYconstellatory adj. Having the nature of a constellation or grouping.
CONSTELLATORY adj. of or like a constellation.
CYCLOPROPANEScyclopropanes n. Plural of cyclopropane.
CYCLOPROPANE n. a flammable gaseous saturated cyclic hydrocarbon sometimes used as a general anesthetic.
GYNAECOLOGIESgynaecologies n. Plural of gynaecology.
GYNAECOLOGY n. the study of women's physiology, also GYNECOLOGY.
GYNAECOLOGISTgynaecologist n. (Australia, British spelling, Commonwealth, dated in US) (Canadian spelling, also common) A physician…
gynæcologist n. Obsolete typography of gynaecologist.
GYNAECOLOGIST n. a specialist in gynaecology, also GYNECOLOGIST.
HAEMATOXYLONSHAEMATOXYLON n. any thorny leguminous tree of the genus Haematoxylon, esp. the logwood, of tropical America and SW Africa, the heartwood of which yields the dye haematoxylin.
HYPERBOLAEONSHYPERBOLAEON n. a term in in Greek prosody.
LARYNGOLOGIESLARYNGOLOGY n. the study of the larynx.
LARYNGOSCOPESlaryngoscopes n. Plural of laryngoscope.
LARYNGOSCOPE n. an instrument for examining the interior of the larynx.
LARYNGOTOMIESlaryngotomies n. Plural of laryngotomy.
LARYNGOTOMY n. surgical removal of the larynx.
MONOSYLLABLESmonosyllables n. Plural of monosyllable.
MONOSYLLABLE n. a word of one syllable.
OBSESSIONALLYobsessionally adv. In an obsessional manner.
OBSESSIONAL adv. relating to obsession.
OLEANDOMYCINSoleandomycins n. Plural of oleandomycin.
OLEANDOMYCIN n. an antibiotic produced by a streptomyces.
POLYDAEMONISMpolydaemonism n. Alternative form of polydemonism.
POLYDAEMONISM n. the belief in and worship of numerous supernatural powers, also POLYDEMONISM.
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.
POLYSILOXANESpolysiloxanes n. Plural of polysiloxane.
POLYSILOXANE n. any of a number of polymers which are the basis of silicone chemistry.
POSTEMBRYONALpostembryonal adj. Synonym of postembryonic.
POSTEMBRYONAL adj. subsequent to the embryonic stage of life or growth, also POSTEMBRYONIC.
PROTEOGLYCANSproteoglycans n. Plural of proteoglycan.
PROTEOGLYCAN n. any of a class of glycoproteins of high molecular weight that are found esp. in the extracellular matrix of connective tissue.
SPONTANEOUSLYspontaneously adv. In a spontaneous manner; naturally; voluntarily.
SPONTANEOUS adv. acting by its own impulse or natural law.
SYNECOLOGICALsynecological adj. (Ecology) Relating to synecology.
SYNECOLOGICAL adj. relating to synecology.

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: 153 words
  • Scrabble in French: 24 words
  • Scrabble in Spanish: 7 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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