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List of 13-letter words containing

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There are 18 thirteen-letter words containing 2E, 2F, 2I and N

DIEFFENBACHIAdieffenbachia n. Any of several plants, of the genus Dieffenbachia, cultivated as houseplants.
Dieffenbachia prop.n. A taxonomic genus within the family Araceae – the mother-in-law’s tongue, dumb cane and similar plants.
DIEFFENBACHIA n. any plant of the tropical American araceous genus Dieffenbachia, including the dumbcane.
DIFFERENCYINGDIFFERENCY v. to make or perceive a difference in, also DIFFERENCE.
DIFFERENTIALSdifferentials n. Plural of differential.
DIFFERENTIAL n. in maths, the product of the derivative of a function of one variable by the increment of the independent variable.
DIFFERENTIATEdifferentiate v. (Transitive).
differentiate v. (Intransitive).
differentiate v. (Transitive, intransitive, often in the passive, biology) To (cause to) go through a process of development…
DIFFUSIVENESSdiffusiveness n. The state or quality of being diffusive.
DIFFUSIVENESS n. the state of being diffusive.
EQUIDIFFERENTequidifferent adj. Having equal differences.
EQUIDIFFERENT adj. having equal differences.
FEBRIFACIENTSfebrifacients n. Plural of febrifacient.
FEBRIFACIENT n. something causing fever.
FORESIGNIFIEDforesignified v. Simple past tense and past participle of foresignify.
FORESIGNIFY v. (archaic) to signify in advance.
FORESIGNIFIESforesignifies v. Third-person singular simple present indicative form of foresignify.
FORESIGNIFY v. (archaic) to signify in advance.
INDIFFERENCESindifferences n. Plural of indifference.
INDIFFERENCE n. the state of being indifferent, also INDIFFERENCY.
INDIFFERENTLYindifferently adv. In an indifferent manner.
INDIFFERENT adv. marked by impartiality.
INEFFECTIVELYineffectively adv. In an ineffective manner; not producing any significant or desired effect.
INEFFECTIVE adv. not producing an intended effect.
INEFFICIENTLYinefficiently adv. In an inefficient manner.
INEFFICIENT adv. not efficient.
INOFFENSIVELYinoffensively adv. In an inoffensive manner.
INOFFENSIVE adv. causing no harm or injury, also UNOFFENSIVE.
INSUFFICIENCEinsufficience n. Obsolete form of insufficiency.
INSUFFICIENCE n. the state of being insufficient, also INSUFFICIENCY.
INTERDIFFUSEDinterdiffused v. Simple past tense and past participle of interdiffuse.
interdiffused adj. Mutually diffused.
INTERDIFFUSE v. to diffuse between.
INTERDIFFUSESinterdiffuses v. Third-person singular simple present indicative form of interdiffuse.
INTERDIFFUSE v. to diffuse between.
SUFFICIENCIESsufficiencies n. Plural of sufficiency.
SUFFICIENCY n. the state of being sufficient, also SUFFICIENCE.

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: 70 words
  • Scrabble in French: 92 words
  • Scrabble in Spanish: no word
  • Scrabble in Italian: 89 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 15 words


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