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There are 11 twelve-letter words containing H, N, O, P, 2R and 2T

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.
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.
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.
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.
PROTHONOTARYprothonotary n. (Obsolete, historical) A chief legal clerk or notary in Roman Byzantium, and (hence) in Rome.
prothonotary n. (Roman Catholicism) One of the seven prelates, constituting a college in the Roman Curia, whose office…
prothonotary n. A registrar or chief clerk in various courts of law, especially (US) in a county court, (Australia)…
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.
THYROTROPHINthyrotrophin n. Alternative form of thyrotropin.
THYROTROPHIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPIN.
THYROTROPINSthyrotropins n. Plural of thyrotropin.
THYROTROPIN n. a hormone, produced in the anterior lobe of the pituitary gland, which stimulates the thyroid, also THYROTROPHIN.
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: 22 words
  • Scrabble in French: 8 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 1 word


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