List of 13-letter words containing EI

AFFREIGHTMENT ALLOXYPROTEIC AMIDOCAFFEINE ANKYLOCHEILIA ANTIATHEISTIC ARSENIOPLEITE ARTHROCLEISIS ARTHROSTEITIS ATHEISTICALLY ATHEISTICNESS BANTAMWEIGHTS BERKELEIANISM BRADYSEISMISM BREITHAUPTITE CHAUSSEEMEILE CHECKWEIGHMAN CHECKWEIGHMEN CHEILOSTOMATA CHEIROTHERIUM CHLOROPHAEITE CHROMOPROTEIN CLEIDOCRANIAL CLEIDOMASTOID CLEIDORRHEXIS CLEIDOSTERNAL CLEISTOGAMOUS CLEISTOGENOUS CLEISTOTHECIA CONCEITEDNESS CONEIGHBORING CONSENTANEITY COOGHNEIORVLT CORROBOREEING COSMOTHEISTIC COSOVEREIGNTY COUNTERFEITED COUNTERFEITER COUNTERFEITLY COUNTERWEIGHT CRUISERWEIGHT CRYPTOCLEIDUS CUBOCUNEIFORM CYCLOGANOIDEI DECAFFEINATED DECAFFEINATES DECEITFULNESS DECEIVABILITY DEINDIVIDUATE DEINOCEPHALIA DEINODONTIDAE DEIONIZATIONS DEIPNOSOPHISM DEIPNOSOPHIST DEISIDAIMONIA DEISTICALNESS DEMISOVEREIGN DEREISTICALLY DILETTANTEISH DILETTANTEISM DIPLEIDOSCOPE DYSMENORRHEIC ECTOCUNEIFORM EIGENFUNCTION EISTEDDFODISM ENCHYTRAEIDAE ENTEROCLEISIS ENTOCUNEIFORM EPEIROGENESIS EPEIROGENETIC EPICHEIREMATA ERGOTHIONEINE EXTRATHEISTIC FARSEEINGNESS FEATHERWEIGHT FEINSCHMECKER FIDEICOMMISSA FIRNISMALEREI FOREIGNEERING FOREIGNERSHIP FOREIMPRESSED FORELLENSTEIN FRANKENSTEINS FREIEZLEBENHE GEISSOSPERMIN GEITONOGAMOUS GEMUTLICHKEIT GORGONEIONEIA HECASTOTHEISM HELICOPROTEIN HETEROGENEITY HOMOGENEITIES HUNDREDWEIGHT HYDROCUPREINE HYGROPHANEITY HYPERDEIFYING IMPERCEIVABLE IMPERCEIVABLY INCONCEIVABLE INCONCEIVABLY INHOMOGENEITY INSTANTANEITY INTERAGREEING INTERRECEIVED IRIDENCLEISIS JEJUNOILEITIS KALEIDOSCOPES KALEIDOSCOPIC KAPELLMEISTER KATHENOTHEISM LEIOCEPHALOUS LEIODERMATOUS LEIOMYOMATOUS LEIOTRICHIDAE LEIOTRICHINAE LEISHMANIASIS LEISHMANIOSIS LEISURELINESS LEITNERIACEAE LEPISOSTEIDAE LIECHTENSTEIN LUTEINIZATION LYMPHANGEITIS MALLEABLEIZED MARBLEIZATION MEIOSTEMONOUS MEISTERSINGER MESOCUNEIFORM MIDDLEWEIGHTS MISCELLANEITY MISCONCEIVING MISPERCEIVING NEIGHBORHOODS NEIGHBOURHOOD NEIGHBOURLESS NEIGHBOURLIKE NEIGHBOURSHIP NEREIDIFORMIA NONCONCEIVING NONDECEIVABLE NONFOREIGNESS NONFORFEITING NONFORFEITURE NONPERCEIVING NONRECEIVABLE NONTHEISTICAL NUCLEOPROTEIN ONEIROCRITICS ONEIROSCOPIST ONOMATOPOEIAL ONOMATOPOEIAN OPISTHOPOREIA OSTREICULTURE OVERFREIGHTED OVERWEIGHTAGE OVERWEIGHTING PALAEICHTHYAN PALAEICHTHYES PALAEICHTHYIC PANTHEISTICAL PARACASEINATE PARANUCLEINIC PAREIASAURIAN PEIRASTICALLY PERCEIVEDNESS PHARMACOPEIAL PHARMACOPEIAN PHARMACOPEIAS PHARMACOPOEIA PHARMACOPOEIC PHERSEPHONEIA PHILOTHEISTIC PHONEIDOSCOPE PHYSITHEISTIC PLACOGANOIDEI PLEBEIANISING PLEBEIANIZING PLEIOPHYLLOUS POSTDISSEIZIN POSTDISSEIZOR PRECONCEIVING PREIDENTIFIED PREILLUMINATE PREILLUSTRATE PREIMPAIRMENT PREIMPORTANCE PREIMPOSITION PREIMPRESSION PREIMPRESSIVE PREINAUGURATE PREINCINATION PREINCREASING PREINDEBTEDLY PREINDICATING PREINDICATION PREINDICATIVE PREINDISPOSED PREINDUCEMENT PREINDULGENCE PREINDUSTRIAL PREINFLECTION