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List of 13-letter words containing

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There are 20 thirteen-letter words containing I, N, O, P, Q and U

APPROPINQUATEappropinquate v. (Rare, literary, transitive, intransitive) To approach; to near.
APPROPINQUATE v. (archaic) to approach, also APPROPINQUE.
APPROPINQUINGAPPROPINQUE v. (archaic) to approach, also APPROPINQUATE.
APPROPINQUITYappropinquity n. (Obsolete) nearness; propinquity.
APPROPINQUITY n. nearness.
EQUIPARATIONSequiparations n. Plural of equiparation.
EQUIPARATION n. equal treatment.
EQUIPARTITIONequipartition n. The division of something into equal parts.
equipartition n. (Mathematics, of a graph) The partition of its vertex set into sets whose sizes differ from each other…
equipartition n. (Statistical mechanics) Short for w:Equipartition theorem.
EQUIPOLLENCESequipollences n. Plural of equipollence.
EQUIPOLLENCE n. the quality of being equipollent, also EQUIPOLLENCY.
EQUIPOLLENTLYequipollently adv. With equal power.
EQUIPOLLENT adv. having equal power or force.
EQUIPONDERANTequiponderant adj. (Obsolete) Having equal weight.
EQUIPONDERANT adj. evenly balanced.
EQUIPONDERATEequiponderate v. To counterbalance.
EQUIPONDERATE v. to be equal in weight; to balance.
EQUIPOTENTIALequipotential adj. Having equal potential.
equipotential n. A region whose every point has the same potential.
EQUIPOTENTIAL adj. having the same potential.
OVEREQUIPPINGoverequipping v. Present participle of overequip.
OVEREQUIP v. to equip, furnish with, or supply excessively.
PERQUISITIONSperquisitions n. Plural of perquisition.
PERQUISITION n. a diligent inquiry.
PHYLLOQUINONEphylloquinone n. (Biochemistry, pharmacology) Synonym of phytomenadione.
PHYLLOQUINONE n. vitamin K1, one of the fat-soluble vitamin K group, essential for normal blood coagulation.
PLASTOQUINONEplastoquinone n. (Biochemistry) a quinone, related to the carotenoids, involved in the electron transport process of photosynthesis.
PLASTOQUINONE n. a plant substance that is related to vitamin K and plays a role in photosynthetic phosphorylation.
PROPINQUITIESpropinquities n. Plural of propinquity.
PROPINQUITY n. nearness in space, time or relationship.
QUADRAPHONICSquadraphonics n. Quadraphonic sound.
QUADRAPHONICS n. a system of sound transmission using a minimum of four speakers, also QUADRAPHONY, QUADRIPHONICS, QUADROPHONICS, QUADROPHONY.
QUADRAPHONIESQUADRAPHONY n. a system of sound transmission using four speakers, also QUADRAPHONICS, QUADRIPHONICS, QUADROPHONICS, QUADROPHONY.
QUADRIPHONICSquadriphonics n. Alternative form of quadraphonics.
QUADRIPHONICS n. a system of sound transmission using a minimum of four speakers, also QUADRAPHONICS, QUADRAPHONY, QUADROPHONICS, QUADROPHONY.
QUADROPHONICSQUADROPHONICS n. a system of sound transmission using a minimum of four speakers, also QUADRAPHONICS, QUADRAPHONY, QUADRIPHONICS, QUADROPHONY.
QUADROPHONIESQUADROPHONY n. a system of sound transmission using four speakers, also QUADRAPHONICS, QUADRAPHONY, QUADRIPHONICS, QUADROPHONICS.

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: 63 words
  • Scrabble in French: 163 words
  • Scrabble in Spanish: 65 words
  • Scrabble in Italian: 42 words
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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