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List of 12-letter words containing

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There are 9 twelve-letter words containing 2H, I, 2N, O and P

DIPHTHONGINGDIPHTHONG v. to pronounce as a diphthong.
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.
HYPHENATIONShyphenations n. Plural of hyphenation.
HYPHENATION n. the act of hyphenating.
HYPOXANTHINEhypoxanthine n. (Organic chemistry) A bicyclic heterocycle, 3,7-dihydropurin-6-one, that is an intermediate in the biosynthesis…
HYPOXANTHINE n. a purine base found in plant and animal tissues that yields xanthine on oxidation.
PHONASTHENIAPHONASTHENIA n. weakness of voice.
PHYCOXANTHINphycoxanthin n. (Dated) A yellowish colouring matter found in certain algae.
PHYCOXANTHIN n. a yellow pigment found in diatoms, brown seaweeds etc.
RHINOPHONIASRHINOPHONIA n. a nasal tone to the voice which is caused by a defect in the nasal passages.
STROPHANTHINstrophanthin n. (Organic chemistry) Any of several poisonous cardiac glycosides obtained from various African plants.
STROPHANTHIN n. a very poisonous glucoside found in the seeds of the plant Strophanthus.

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 1Word.ws and WikWik.org.

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See this list for:

  • English Wiktionary: 29 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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