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List of 13-letter words containing

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There are 18 thirteen-letter words containing A, D, 2I, 2O, P and R

AECIDIOSPORESAECIDIOSPORE n. a spore produced in an aecidium.
AVOIRDUPOISESavoirdupoises n. Plural of avoirdupois.
AVOIRDUPOIS n. (French) a system of weights in which the pound (lb.) has 16 ounces.
BASIDIOSPORESbasidiospores n. Plural of basidiospore.
BASIDIOSPORE n. a spore produced by a basidium.
DIAGEOTROPISMdiageotropism n. (Botany) The tendency of plant organs, such as roots, to assume a position oblique or transverse to…
DIAGEOTROPISM n. the tendency of roots to orient perpendicular to gravity.
DISOPERATIONSDISOPERATION n. a mutually harmful relationship between two organisms in a community.
MACROPINACOIDmacropinacoid n. (Crystallography) One of the two planes of an orthorhombic crystal which are parallel to the vertical…
MACROPINACOID n. a crystalline pinacoid which runs parallel to the longer horizontal axis, also MACROPINAKOID.
MACROPINAKOIDMACROPINAKOID n. a crystalline pinacoid which runs parallel to the longer horizontal axis, also MACROPINACOID.
ORTHOPINAKOIDORTHOPINAKOID n. in monoclinic crystals, a form consisting of two faces parallel to the orthodiagonal and the vertical axis.
PERIODISATIONperiodisation n. Alternative form of periodization.
PERIODISATION n. division into periods, also PERIODIZATION.
PERIODIZATIONperiodization n. The process of categorizing something (e.g. history) into named periods.
periodization n. (Weightlifting, sports) Training in segments of a few weeks or months, so that training begins at lower…
PERIODIZATION n. division into periods, also PERIODISATION.
PEROXIDATIONSperoxidations n. Plural of peroxidation.
PEROXIDATION n. the creation of a peroxide.
PREADMONITIONpreadmonition n. Previous warning or admonition; forewarning.
PREADMONITION n. the act of preadmonishing, forewarning.
PREDOMINATIONpredomination n. The act or state of predominating; ascendency; predominance.
PREDOMINATION n. the act of predominating.
PREORDINATIONpreordination n. The state or process of things being preordained.
preordination adj. Before ordination.
PREORDINATION n. the act of preordaining.
PROBOSCIDIANSproboscidians n. Plural of proboscidian.
PROBOSCIDIAN n. any of an order of large mammals comprising the elephants and extinct related forms, also PROBOSCIDEAN.
RADIOISOTOPESradioisotopes n. Plural of radioisotope.
RADIOISOTOPE n. a radioactive isotope.
RADIOISOTOPICradioisotopic adj. Of, pertaining to, or employing radioisotopes.
RADIOISOTOPIC adj. of or like a radioisotope, a radioactive isotope.
RADIOPHONISTSRADIOPHONIST n. one who uses a radiophone.

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: 116 words
  • Scrabble in French: 14 words
  • Scrabble in Spanish: 59 words
  • Scrabble in Italian: 121 words
  • Scrabble in German: no word
  • Scrabble in Romanian: 110 words


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