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List of 15-letter words containing

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There are 14 fifteen-letter words containing D, 2E, O, 2P and R

APPRENTICEHOODSapprenticehoods n. Plural of apprenticehood.
APPRENTICEHOOD n. (Shakespeare) apprenticeship.
CYPROHEPTADINEScyproheptadines n. Plural of cyproheptadine.
CYPROHEPTADINE n. a powerful antihistamine drug used to treat allergies.
DEPHOSPHORYLATEdephosphorylate v. To cause, or undergo dephosphorylation.
DEPHOSPHORYLATE v. to remove phosphate groups from an organic compounds.
FIBRINOPEPTIDESfibrinopeptides n. Plural of fibrinopeptide.
FIBRINOPEPTIDE n. any of the vertebrate polypeptides that are cleaved from fibrinogen by thrombin during clot formation.
HYPERPRODUCTIVEhyperproductive adj. Exceptionally productive.
LEPIDOPTEROLOGYlepidopterology n. (Biology, zoology, entomology) The scientific study of butterflies and moths (the Lepidoptera).
lepidopterology n. Lepidoptery, (the hobby of butterfly collecting).
LEPIDOPTEROLOGY n. the study of butterflies and moths.
PARALLELOPIPEDAPARALLELOPIPEDA plural of parallelopipedon* (which has sixteen letters), a solid figure bounded by six parallelograms, opposite pairs being identical and parallel.
PARALLELOPIPEDSparallelopipeds n. Plural of parallelopiped.
PARALLELOPIPED n. a solid figure bounded by six parallelograms, opposite pairs being identical and parallel.
PREDEVELOPMENTSPREDEVELOPMENT n. a preliminary development.
PREPONDERANCIESpreponderancies n. Plural of preponderancy.
PREPONDERANCY n. a superiority in weight, power, importance, or strength, also PREPONDERANCE.
PREPONDERATIONSpreponderations n. Plural of preponderation.
PREPONDERATION n. the act of preponderating.
PSEUDEPIGRAPHONpseudepigraphon n. Singular of pseudepigrapha.
PSEUDEPIGRAPHON n. a book ascribed to Old Testament characters, but not judged genuine by scholars.
PSEUDOEPHEDRINEpseudoephedrine n. (Pharmacology) A sympathomimetic alkaloid commonly used as a decongestant; a chemical compound, an isomer…
PSEUDOEPHEDRINE n. a naturally occurring isomer of ephedrine, used in the form of its hydrochloride as a bronchodilator.
PSEUDOPREGNANCYpseudopregnancy n. Pseudocyesis or false pregnancy.
pseudopregnancy n. The persistence of the corpus luteum following infertile copulation in some mammals.
PSEUDOPREGNANCY n. false pregnancy.

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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