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There are 16 twelve-letter words containing A, D, 2E, H, M and Y

DEMETHYLATEDdemethylated v. Simple past tense and past participle of demethylate.
demethylated adj. (Chemistry) That has been subjected to demethylation.
DEMETHYLATESdemethylates v. Third-person singular simple present indicative form of demethylate.
DERMATOPHYTEdermatophyte n. Any parasitic fungus (mycosis) that infects the skin (tinea, ringworm, jock itch, athlete’s foot).
DERMATOPHYTE n. a fungus parasitic on the skin or skin derivatives (as hair or nails).
DIETHYLAMIDEdiethylamide n. (Organic chemistry) The derivative of a compound formed by adding an amide group with two ethyl substituents…
DIETHYLAMIDE n. as in lysergic acid diethylamide, LSD.
DIETHYLAMINEdiethylamine n. (Organic chemistry) The secondary amine (CH3CH2)2NH.
DIETHYLAMINE n. a liquid resembling ethylamine, derived from ammonia, with ethyl groups replacing two hydrogen atoms.
DYSMENORRHEAdysmenorrhea n. (Medicine) Painful menstruation (menstrual#Adjective pain), viewed as a symptom#Noun in any of various disorders.
dysmenorrhea n. (Medicine) Painful menstruation (menstrual#Adjective pain), viewed as a disorder#Noun in its own right…
DYSMENORRHEA n. painful menstruation, also DYSMENORRHOEA.
FORMALDEHYDEformaldehyde n. (Organic chemistry) The simplest aldehyde, HCHO, a colourless gas that has many industrial applications;…
FORMALDEHYDE n. a formic aldehyde, formalin.
HEADMASTERLYheadmasterly adj. In a manner befitting a headmaster.
HEADMASTERLY adj. like a headmaster.
HEMIHYDRATEDhemihydrated adj. (Chemistry) In the form of a hemihydrate.
HEMIHYDRATED adj. in the form of a hemihydrate.
HEMIHYDRATEShemihydrates n. Plural of hemihydrate.
HEMIHYDRATE n. a hydrate, such as plaster of paris, containing half a mole of water to one mole of the compound forming the hydrate.
HEMODIALYSEShemodialyses n. Plural of hemodialysis.
HEMODIALYSIS n. dialysis, also HAEMODIALYSIS.
HEMODIALYZERhemodialyzer n. Something that performs hemodialysis.
HEMODIALYZER n. an artificial kidney.
HYDROMEDUSAEhydromedusae n. Plural of hydromedusa.
HYDROMEDUSA n. a hydrozoan in its medusoid stage, also HYDROMEDUSAN, HYDROMEDUSOID.
MEALYMOUTHEDmealymouthed adj. Alternative form of mealy-mouthed.
mealy-mouthed adj. Prone to speaking evasively, indirectly, or duplicitously; not forthright.
MEALYMOUTHED adj. not plain and straightforward.
METALDEHYDESMETALDEHYDE n. a polymer of acetaldehyde.
SHAMEFACEDLYshamefacedly adv. In a shamefaced manner.
SHAMEFACED adv. showing modesty, also SHAMEFAST.

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: 56 words
  • Scrabble in French: 9 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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