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List of 13-letter words containing

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There are 20 thirteen-letter words containing O, 2P, 2S, T and U

APOSTROPHUSESAPOSTROPHUS n. (Greek) a symbol resembling a reversed letter C used in Roman numerals to denote large numbers.
HYPOSULPHATEShyposulphates n. Plural of hyposulphate.
HYPOSULPHATE n. a dithionate.
HYPOSULPHITEShyposulphites n. Plural of hyposulphite.
HYPOSULPHITE n. a salt of hyposulphurous acid.
MULTIPURPOSESSorry, definition not available.
OPPORTUNENESSopportuneness n. The state or condition of being opportune.
OPPORTUNE n. happening at the right time.
PHOSPHATURIASphosphaturias n. Plural of phosphaturia.
PHOSPHATURIA n. the excessive discharge of phosphates in the urine.
PITYROSPORUMSPITYROSPORUM n. a yeastlike fungus which can cause pityriasis.
POSTMENOPAUSEpostmenopause n. The period in which menopause no longer occurs; often defined as the first full year in which no menstruation occurs.
POSTPUBERTIESPOSTPUBERTY n. the period after puberty.
POSTPUBESCENTpostpubescent adj. That occurs after puberty.
postpubescent n. An individual who has completed puberty; a sexually mature person.
POSTPUBESCENT n. someone of an age after pubescence.
POSTULANTSHIPPOSTULANTSHIP n. the office of postulant.
PYROSULPHATESpyrosulphates n. Plural of pyrosulphate.
PYROSULPHATE n. a salt of sulphur.
STREPTOCARPUSstreptocarpus n. Any of several plants of the genus Streptocarpus. the Cape primroses.
STREPTOCARPUS n. any flowering plant of the Cape primrose genus Streptocarpus, with foxglove-like flowers.
SUPERPATRIOTSsuperpatriots n. Plural of superpatriot.
SUPERPATRIOT n. an exceptional patriot.
SUPERPOSITIONsuperposition n. The placing of one thing on top of another.
superposition n. (Geology) The deposition of one stratum over another; the principle that in a series of sedimentary…
superposition n. (Quantum mechanics) The situation in quantum mechanics where two or more quantum states are added together…
SUPPLICATIONSsupplications n. Plural of supplication.
SUPPLICATION n. an act of supplicating; an earnest or humble petition.
SUPPORTRESSESsupportresses n. Plural of supportress.
SUPPORTRESS n. a female supporter.
SUPPOSITIONALsuppositional adj. Relating to, or based on, supposition; hypothetical; conjectural.
SUPPOSITIONAL adj. having the nature of a supposition.
SUPPOSITIVELYsuppositively adv. In a suppositive manner.
SUPPOSITIVE adv. suppositional.
SUPPOSITORIESsuppositories n. Plural of suppository.
SUPPOSITORY n. a solid but readily meltable cone or cylinder of usually medicated material for insertion into a bodily passage or cavity, as the rectum.

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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