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List of 13-letter words containing

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There are 11 thirteen-letter words containing A, D, 2O, P, T and Y

AUTOPOLYPLOIDautopolyploid adj. (Genetics) Having more than two sets of chromosomes, derived from the same species, as a result of redoubling.
autopolyploid n. Any organism of this kind.
AUTOPOLYPLOID n. an individual or strain whose chromosome complement consists of more than two complete copies of the genome of a single ancestral species.
CATHODOGRAPHYCATHODOGRAPHY n. the taking of photographs created using X-rays.
DIAPHOTOTROPYDIAPHOTOTROPY n. the state of being diaphototropic, turning transversely to the light.
DIPLOMATOLOGYdiplomatology n. The study or science of diplomatics, charters, decrees, etc.
DIPLOMATOLOGY n. the study of diplomats.
OPINIONATEDLYopinionatedly adv. In an opinionated manner.
OPINIONATED adv. unduly adhering to one's own opinion or to preconceived notions.
PERIODONTALLYperiodontally adv. In a periodontal way.
PERIODONTAL adv. investing or surrounding a tooth.
PHOTODYNAMICSphotodynamics n. The study of the activating effects of light on living organisms.
PHOTODYNAMICS n. the branch of biology concerned with the effects of light on the actions of plants and animals.
PHYTONADIONESPHYTONADIONE n. phylloquinone, vitamin K1.
POLYDACTYLOUSpolydactylous adj. Having more than the normal number of digits.
POLYDACTYLOUS adj. having too many fingers or toes.
POSTSECONDARYpostsecondary adj. (Education, US and Canada) Of or pertaining to education or educational institutions subsequent to secondary…
POSTSECONDARY adj. taking place after secondary education.
SPLAYFOOTEDLYSPLAYFOOTED adv. having splayed feet.

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: 85 words
  • Scrabble in French: 8 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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