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There are 11 twelve-letter words containing H, L, N, S and X

ANAPHYLAXIESANAPHYLAXY n. an increased susceptibility to injected foreign material, also ANAPHYLAXIS.
CYCLOHEXANEScyclohexanes n. Plural of cyclohexane.
CYCLOHEXANE n. a pungent saturated cyclic hydrocarbon found in petroleum or made synthetically and used chiefly as a solvent and in organic synthesis.
EXHAUSTINGLYexhaustingly adv. In an exhausting manner.
EXHAUSTINGLY adv. in the manner of using the whole strength of.
HEMATOXYLINShematoxylins n. Plural of hematoxylin.
HEMATOXYLIN n. a dye obtained from logwood, also HAEMATOXYLIN.
PHYTOALEXINSphytoalexins n. Plural of phytoalexin.
PHYTOALEXIN n. any substance produced by a plant as a defence against disease.
SEXTILLIONTHsextillionth adj. The ordinal form of the number one sextillion.
sextillionth n. The person or thing in the sextillionth position.
sextillionth n. One of a sextillion equal parts of a whole.
SULPHADOXINEsulphadoxine n. Alternative spelling of sulfadoxine.
SULPHADOXINE n. an antibiotic drug of the sulphonamide group, commonly used in combination with pyrimethamine to treat malaria, also SULFADOXINE.
UNNILHEXIUMSUNNILHEXIUM n. a chemical element, aka seaborgium.
XANTHOPHYLLSxanthophylls n. Plural of xanthophyll.
XANTHOPHYLL n. a yellow carotenoid pigment found with chlorophyll in green plants and in egg yolks, also XANTHOPHYL.
XYLOPHONISTSxylophonists n. Plural of xylophonist.
XYLOPHONIST n. one who plays the xylophone.
ZANTHOXYLUMSzanthoxylums n. Plural of zanthoxylum.
ZANTHOXYLUM n. a plant of a genus of the rue family found in Brazil, in particular the prickly-ash or Hercules club, also XANTHOXYL, ZANTHOXYL.

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: 55 words
  • Scrabble in French: 7 words
  • Scrabble in Spanish: 3 words
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 1 word


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