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List of 13-letter words containing

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There are 19 thirteen-letter words containing A, H, I, N, 2O, S and U

ANISOPHYLLOUSanisophyllous adj. (Botany) Having unequal leaves.
ANISOPHYLLOUS adj. of leaves, usually a pair, of differing size and shape.
AUTHORISATIONauthorisation n. Alternative spelling of authorization.
AUTHORISATION n. the act of authorising, also AUTHORIZATION.
AUTOCHTHONIESautochthonies n. Plural of autochthony.
AUTOCHTHONY n. the state of being aboriginal.
AUTOCHTHONISMautochthonism n. The state of being autochthonal.
AUTOCHTHONISM n. the condition of being autochthonous.
BOARDINGHOUSEboardinghouse n. Alternative spelling of boarding house.
boarding␣house n. A private house in which paying residents are provided with accommodation and meals.
boarding␣house n. A boarding school building where boarders live during term time.
CINCHONACEOUScinchonaceous adj. Allied or pertaining to cinchona, or to the plants that produce it.
CINCHONACEOUS adj. belonging to the Cinchona genus of trees, that yield quinine.
COLOURWASHINGCOLOURWASH v. to paint with this.
DISHARMONIOUSdisharmonious adj. Not harmonious; lacking harmony.
DISHARMONIOUS adj. lacking in harmony.
DISHONOURABLEdishonourable adj. Alternative spelling of dishonorable.
DISHONOURABLE adj. not honourable, also DISHONORABLE.
DISHONOURABLYdishonourably adv. (Britain) Alternative spelling of dishonorably.
DISHONOURABLE adv. not honourable, also DISHONORABLE.
HETEROOUSIANSHETEROOUSIAN n. one who believes that the Son is of a different substance from the Father.
MELANCHOLIOUSmelancholious adj. (Obsolete) melancholy.
MELANCHOLIOUS adj. melancholic.
ORNITHOGALUMSORNITHOGALUM n. a plant of a large genus of herbs of the family Liliaceae.
QUADROPHONICSQUADROPHONICS n. a system of sound transmission using a minimum of four speakers, also QUADRAPHONICS, QUADRAPHONY, QUADRIPHONICS, QUADROPHONY.
QUADROPHONIESQUADROPHONY n. a system of sound transmission using four speakers, also QUADRAPHONICS, QUADRAPHONY, QUADRIPHONICS, QUADROPHONICS.
SOUSAPHONISTSsousaphonists n. Plural of sousaphonist.
SOUSAPHONIST n. one who plays the sousaphone.
SPHAGNICOLOUSsphagnicolous adj. (Botany) Growing in moss of the genus Sphagnum.
SPHAGNICOLOUS adj. living in peat moss.
SULPHONATIONSsulphonations n. Plural of sulphonation.
SULPHONATION n. the act of sulphonating.
TAUTOCHRONISMTAUTOCHRONISM n. the state of being a tautochrone.

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: 89 words
  • Scrabble in French: 38 words
  • Scrabble in Spanish: 7 words
  • Scrabble in Italian: 18 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 7 words


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