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

ACETYLCHOLINEacetylcholine n. (Biochemistry) A neurotransmitter in humans and other animals. It is an ester of acetic acid and choline…
ACETYLCHOLINE n. a substance secreted at the ends of nerve fibres when they activate muscles.
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.
GENETHLIALOGYgenethlialogy n. Divination of the destiny of a newborn; the art of casting nativities; astrology.
GENETHLIALOGY n. the art of casting horoscopes.
HELMINTHOLOGYhelminthology n. (Zoology) The branch of zoology related to the study of helminths (parasitic worms).
HELMINTHOLOGY n. the study of parasitic worms.
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.
LYSOLECITHINSlysolecithins n. Plural of lysolecithin.
LYSOLECITHIN n. a hydrolytic substance formed by the enzymatic hydrolysis (as by some snake venoms) of a lecithin.
PHRENETICALLYphrenetically adv. Dated form of frenetically.
PHRENETICAL adv. frenzied, frenetic, also FRENETIC, PHRENETIC, PHRENTICK.
PLATYHELMINTHplatyhelminth n. Any flatworm of the phylum Platyhelminthes.
PLATYHELMINTH n. a tapeworm or planarian.
POLYTECHNICALpolytechnical adj. Polytechnic.
polytechnical n. Polytechnic (educational institute).
POLYTECHNICAL adj. of or like a polytechnic.
SYNTHETICALLYsynthetically adv. Using synthetic methods.
SYNTHETICAL adv. artificially produced but of similar nature to, not a mere substitute for, the natural product, also SYNTHETIC.
THEOPHYLLINEStheophyllines n. Plural of theophylline.
THEOPHYLLINE n. an isomer of theobromine found in tea, used in medicine.

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: 69 words
  • Scrabble in French: 2 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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