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List of 13-letter words containing

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There are 13 thirteen-letter words containing A, H, L, M, N, O, S and U

DOLPHINARIUMSdolphinariums n. Plural of dolphinarium.
DOLPHINARIUM n. a place where dolphins are kept.
INHALATORIUMSINHALATORIUM n. an institution or department for administering inhalations.
LIGHTHOUSEMANlighthouseman n. The keeper of a lighthouse.
LIGHTHOUSEMAN n. one who keeps a lighthouse.
MELANCHOLIOUSmelancholious adj. (Obsolete) melancholy.
MELANCHOLIOUS adj. melancholic.
MELANOCHROOUSmelanochroous adj. Melanochroic; dark-complexioned.
MELANOCHROOUS adj. belonging to the melanochroi, having dark hair and white skin, also MELANOCHROIC.
METHAQUALONESmethaqualones n. Plural of methaqualone.
METHAQUALONE n. a type of sedative, aka quaalude.
MONOTHALAMOUSmonothalamous adj. (Botany) Whose spikelets are all similar.
monothalamous adj. (Zoology) Having a single chamber.
MONOTHALAMOUS adj. of an animal or protist, having a shell, test, or skeleton with a single chamber.
NONHOMOSEXUALnonhomosexual adj. Not homosexual.
nonhomosexual n. One who is not a homosexual.
NONHOMOSEXUAL n. one who is not homosexual.
ORNITHOGALUMSORNITHOGALUM n. a plant of a large genus of herbs of the family Liliaceae.
PLOUGHMANSHIPploughmanship n. Skill in ploughing.
PLOUGHMANSHIP n. the craft of a ploughman, also PLOWMANSHIP.
SULFONMETHANEsulfonmethane n. (Organic chemistry) A sedative drug with chemical formula C7H16O4S2; acetone diethyl sulfone.
SULFONMETHANE n. (US) a colourless crystalline compound used medicinally as a hypnotic, also SULPHONMETHANE.
SULPHONAMIDESsulphonamides n. Plural of sulphonamide.
SULPHONAMIDE n. an organic amide of a sulphonic acid; specifically any of the drugs derived from sulphanilamide.
UNSMOTHERABLEunsmotherable adj. (Figurative) unquenchable.
UNSMOTHERABLE adj. that cannot be smothered.

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: 52 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: 6 words
  • Scrabble in Italian: 5 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 11 words


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