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List of 13-letter words containing

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There are 16 thirteen-letter words containing I, 2L, N, 2O, P and Y

ANISOPHYLLOUSanisophyllous adj. (Botany) Having unequal leaves.
ANISOPHYLLOUS adj. of leaves, usually a pair, of differing size and shape.
ENDOPOLYPLOIDendopolyploid adj. Exhibiting or relating to endopolyploidy.
endopolyploid n. Any organism that exhibits endopolyploidy.
ENDOPOLYPLOID adj. relating to endopolyploidy.
INCORPOREALLYincorporeally adv. In an incorporeal manner.
INCORPOREAL adv. not corporeal, having no bodily or material structure.
OPERATIONALLYoperationally adv. In an operational manner; in accordance with an operation.
OPERATIONAL adv. of or relating to operation or to an operation.
PALYNOLOGICALpalynological adj. Of or pertaining to palynology.
PALYNOLOGICAL adj. relating to palynology, the scientific study of spores and pollen, also PALYNOLOGIC.
PALYNOLOGISTSpalynologists n. Plural of palynologist.
PALYNOLOGIST n. a student of palynology.
PENOLOGICALLYpenologically adv. In terms of penology.
PENOLOGICAL adv. relating to penology, the study of crime and punishment.
PERIODONTALLYperiodontally adv. In a periodontal way.
PERIODONTAL adv. investing or surrounding a tooth.
PHYLLOQUINONEphylloquinone n. (Biochemistry, pharmacology) Synonym of phytomenadione.
PHYLLOQUINONE n. vitamin K1, one of the fat-soluble vitamin K group, essential for normal blood coagulation.
POLYNOMIALISMpolynomialism n. The use of many names or terms.
POLYNOMIALISM n. the state of being polynomial.
POLYSILOXANESpolysiloxanes n. Plural of polysiloxane.
POLYSILOXANE n. any of a number of polymers which are the basis of silicone chemistry.
POLYTONALISMSPOLYTONALISM n. the state of being polytonal, having many keys.
POLYTONALISTSPOLYTONALIST n. one who writes polytonal music.
PROBATIONALLYprobationally adv. In a probational manner.
PROBATIONAL adv. relating to, serving purpose of, probation or trial.
PROVISIONALLYprovisionally adv. In a provisional way; temporarily.
PROVISIONAL adv. temporary.
SPONDYLOLYSISspondylolysis n. (Pathology) A defect or stress fracture of the pars interarticularis of the vertebral arch.
SPONDYLOLYSIS n. disintegration of one or more vertebrae, also SPONDYLOSIS.

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: 84 words
  • Scrabble in French: 4 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: no word
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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