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List of 12-letter words containing

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

HARMONICHORDharmonichord n. (Music) A kind of upright piano whose strings are set in vibration not by the blow of the hammer but…
HARMONICHORD n. a keyboard instrument of violin tone, in which the strings are rubbed by rosined wheels.
HARMONIPHONEharmoniphone n. A free-reed musical instrument played with a keyboard, in which the sounds are produced by reeds set…
HARMONIPHONE n. a keyboard wind instrument with reeds, also HARMONIPHON.
HARMONIPHONSharmoniphons n. Plural of harmoniphon.
HARMONIPHON n. a keyboard wind instrument with reeds, also HARMONIPHONE.
HARMONOGRAPHharmonograph n. A mechanical device that uses a combination of pendulums to generate an image based on Lissajous curves.
HARMONOGRAPH n. an instrument for drawing curves representing vibrations.
HOMESHORINGSHOMESHORING n. the transfer of service industry employment from offices to home-based employees with appropriate telephone and Internet facilities, also HOMESOURCING.
HYMENOPHOREShymenophores n. Plural of hymenophore.
HYMENOPHORE n. the fruiting body of some basidiomycetous fungi.
ORNITHOMORPHornithomorph n. A figure in ancient art resembling a bird.
ORNITHOMORPH n. a figure or design in the form of a bird.
PHYTOHORMONEphytohormone n. A plant hormone.
PHYTOHORMONE n. a plant hormone, regulating growth.
PYTHONOMORPHpythonomorph n. Any large extinct reptile of the taxon Pythonomorpha.
pythonomorph n. Any member of the taxon Pythonomorpha.
PYTHONOMORPH n. a large marine reptile of the Cretaceous period, with long, scaly body and paddle-shaped limbs.
RHOMBOHEDRONrhombohedron n. A prism with six faces, each a rhombus.
RHOMBOHEDRON n. a parallelepiped whose faces are rhombuses.
THERMOSIPHONthermosiphon n. An arrangement of siphon tubes for assisting circulation in a liquid.
THERMOSIPHON n. a method of circulating a cooling liquid through a system by using the slight difference in density between the hot and cool parts.

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: 47 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 2 words


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