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List of 13-letter words containing

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There are 9 thirteen-letter words containing G, 2N, 3O, P and R

GONADOTROPHINgonadotrophin n. Any of a group of protein hormones secreted by gonadotrope cells of the pituitary gland of vertebrates.
GONADOTROPHIN n. a substance that stimulates the gonads.
GONADOTROPINSgonadotropins n. Plural of gonadotropin.
GONADOTROPIN n. a gonadotropic hormone, as follicle-stimulating hormone.
OPPIGNORATIONoppignoration n. (Obsolete) The act of pawning or laying in pledge.
OPPIGNORATION n. the act of pawning, also OPPIGNERATION.
POGONOPHORANSpogonophorans n. Plural of pogonophoran.
POGONOPHORAN n. any of a phylum Pogonophora of marine wormlike animals.
PROLONGATIONSprolongations n. Plural of prolongation.
PROLONGATION n. the act of prolonging.
PROPORTIONINGproportioning v. Present participle of proportion.
PROPORTIONING n. an adjustment of proportions.
RONTGENOSCOPERONTGENOSCOPE n. an apparatus for examining patients by use of X-rays, also ROENTGENOSCOPE.
RONTGENOSCOPYRONTGENOSCOPY n. observation by means of X-rays.
SOUNDPROOFINGsoundproofing v. Present participle of soundproof.
soundproofing n. Something that prevents sound from traveling through it, such as is put on walls so adjacent areas are…
soundproofing n. The act of installing material to dampen sound.

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: 30 words
  • Scrabble in French: 5 words
  • Scrabble in Spanish: 6 words
  • Scrabble in Italian: 40 words
  • Scrabble in German: no word
  • Scrabble in Romanian: no word


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