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There are 19 twelve-letter words containing E, H, N, O, P, 2R and T

CENTROSPHEREcentrosphere n. (Biology) The cytoplasm surrounding the centriole of a centrosome.
centrosphere n. (Geology) barysphere.
CENTROSPHERE n. the central part of the earth below the crust, aka barysphere.
CHIROPTERANSchiropterans n. Plural of chiropteran.
CHIROPTERAN n. a member of the Chiroptera, an order of mammals comprising the bats.
ERYTHROPENIAerythropenia n. A decrease in the number of erythrocytes, associated with anemia.
ERYTHROPENIA n. diminution below the normal of the number of red cells in the blood.
ETHNOGRAPHERethnographer n. One who practices ethnography.
ETHNOGRAPHER n. a student of ethnography.
HETEROPTERANheteropteran n. (Biology) Any of very many insects of the suborder Heteroptera.
HETEROPTERAN adj. relating to the Heteroptera, a suborder of hemipterous insects, including bedbugs, water bugs, etc., also HETEROPTEROUS.
HETEROPTERAN n. a member of the Heteroptera.
NECROTROPHICnecrotrophic adj. (Biology) Describing a parasite that kills its host, then feeds on the dead matter.
NECROTROPHIC adj. of or like a necrotroph, a parasitic organism that kills the living cells of its host and then feeds on the dead material.
NEUROTROPHICneurotrophic adj. Of or relating to neurotrophy.
NEUROTROPHIC adj. relating to the nutrition of the nervous system, or to nutritional changes influenced by the nervous system.
ORNITHOPTERSornithopters n. Plural of ornithopter.
ORNITHOPTER n. a birdlike archaic flying machine.
ORTHOPTERANSorthopterans n. Plural of orthopteran.
ORTHOPTERAN n. any member of the Orthoptera, an order of mandibulate insects, also ORTHOPTERON.
PANTOGRAPHERpantographer n. One who uses a pantograph.
PANTOGRAPHER n. one who uses a pantograph.
PARATHORMONEparathormone n. Parathyroid hormone.
PARATHORMONE n. a parathyroid hormone.
PHOTOCURRENTphotocurrent n. Any electric current that flows as a result of photoconductivity or the photovoltaic effect.
PHOTOCURRENT n. a stream of electrons produced by photoelectric or photovoltaic effects.
PHRONTISTERYphrontistery n. A place for thinking.
phrontistery n. (Humorous) The toilet; the lavatory.
phrontistery n. An establishment devoted to education or study.
PREHISTORIANprehistorian n. A student of, or expert in prehistory.
PREHISTORIAN n. an archaeologist who specializes in prehistory.
PROSTANTHERAProstanthera prop.n. A taxonomic genus within the family Lamiaceae – mintbushes.
PROSTANTHERA n. an Australian bush, with strongly scented leaves and red or white flowers.
PROTOTHERIANprototherian adj. Belonging or pertaining to the subclass Prototheria of monotremes.
prototherian n. Any of the egg-laying mammals of the subclass Prototheria; a monotreme.
PROTOTHERIAN adj. pertaining to a member of Prototheria, which comprises the order Monotremata and related fossil forms.
PYRITOHEDRONpyritohedron n. (Mathematics) An irregular dodecahedron, the faces of which are identical but irregular pentagons.
pyritohedron n. (Mineralogy) The shape of one of the crystal habits of pyrite.
PYRITOHEDRON n. a pentagonal dodecahedron.
STENOGRAPHERstenographer n. Someone skilled in the transcription of speech (for example, a secretary who takes dictation).
STENOGRAPHER n. a writer of shorthand.
TRICHOPTERANtrichopteran n. Any insect of the order Trichoptera.
trichopteran adj. Trichopterous.
TRICHOPTERAN n. any member of the Trichoptera, caddis flies.

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: 104 words
  • Scrabble in French: 40 words
  • Scrabble in Spanish: 9 words
  • Scrabble in Italian: 1 word
  • Scrabble in German: no word
  • Scrabble in Romanian: 1 word


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