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There are 8 twelve-letter words containing D, E, H, I, 3O and P

CONIDIOPHOREconidiophore n. A fungal hypha that produces conidia.
CONIDIOPHORE n. a hypha that produces conidia.
DICHROOSCOPEDICHROOSCOPE n. an instrument for examining crystals for dichroism, also DICHROISCOPE, DICHROSCOPE.
ORTHOPTEROIDorthopteroid n. (Entomology) Any of the insects historically included in the order Orthoptera, including the cockroaches…
ORTHOPTEROID n. a member of the Orthoptera, cockroaches.
PHOTOIONISEDphotoionised adj. Alternative spelling of photoionized.
PHOTOIONISE v. to ionize by electromagnetic radiation, also PHOTOIONIZE.
PHOTOIONIZEDphotoionized v. Simple past tense and past participle of photoionize.
photoionized adj. Subject to, or produced by photoionization.
PHOTOIONIZE v. to ionize by electromagnetic radiation, also PHOTOIONISE.
PHOTOOXIDISEPHOTOOXIDISE v. to undergo photooxidation, also PHOTOOXIDIZE.
PHOTOOXIDIZEphotooxidize v. To oxidize photochemically.
PHOTOOXIDIZE v. to undergo photooxidation, also PHOTOOXIDISE.
PHOTOPERIODSphotoperiods n. Plural of photoperiod.
PHOTOPERIOD n. the period during every 24 hours when an organism is exposed to daylight.

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: 31 words
  • Scrabble in French: 3 words
  • Scrabble in Spanish: 1 word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: 3 words


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