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There are 12 thirteen-letter words containing E, H, I, L, N, 2T and Y

ANTHOPHYLLITEanthophyllite n. (Mineralogy) A dark brown amphibole mineral; a mixed silicate of iron and magnesium.
ANTHOPHYLLITE n. an orthorhombic ferromagnesian amphibole which occurs usually as fibrous or asbestiform masses.
AUTHENTICALLYauthentically adv. In an authentic manner; with the requisite or genuine authority.
AUTHENTICAL adv. (archaic) authentic.
BATHYLIMNETICbathylimnetic adj. Living in the depths of a lake or marsh.
BATHYLIMNETIC adj. of an organism, living in the depths of lakes and marshes.
DEMETHYLATINGdemethylating v. Present participle of demethylate.
DEMETHYLATIONdemethylation n. (Chemistry) The removal of one or more methyl groups from a molecule.
INTRATHECALLYintrathecally adv. In an intrathecal way; into the spinal canal.
INTRATHECAL adv. introduced into or occurring in the space under the arachnoid membrane of the brain or spinal cord.
PLATYHELMINTHplatyhelminth n. Any flatworm of the phylum Platyhelminthes.
PLATYHELMINTH n. a tapeworm or planarian.
POLYSYNTHETICpolysynthetic adj. (Grammar, of languages) Characterized by a prevalence of relatively long words containing a large number…
polysynthetic adj. (Mineralogy) Having layers of twin crystals.
POLYSYNTHETIC adj. made up of many separate elements, also POLYSYNTHETICAL.
SYNTHETICALLYsynthetically adv. Using synthetic methods.
SYNTHETICAL adv. artificially produced but of similar nature to, not a mere substitute for, the natural product, also SYNTHETIC.
THREATENINGLYthreateningly adv. In a threatening manner.
THREATENING adv. ominous.
TRIETHYLAMINEtriethylamine n. (Organic chemistry) The tertiary amine (CH3-CH2)3N, having many industrial uses.
TRIETHYLAMINE n. an oily liquid corresponding to ammonia with ethyl replacing all the hydrogen.
TRIMETHYLENESTRIMETHYLENE n. another name for cyclopropane.

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: 58 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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