There are 515 twelve-letter words containing A, I, N and Z, https://www.bestwordlist.com/c/a/4/12letterwordswithainz.htm ABSOLUTIZING ADULTERIZING ADVERTIZINGS AEROBICIZING AEROSOLIZING AGGRANDIZERS AGGRANDIZING ALBUMENIZING ALBUMINIZING ALCOHOLIZING ALDOLIZATION ALKALINIZING ALLEGORIZING AMINOBENZOIC AMORTIZATION AMORTIZEMENT ANABAPTIZING ANAESTHETIZE ANALYZATIONS ANATHEMATIZE ANESTHETIZED ANESTHETIZES ANODIZATIONS ANTAGONIZING ANTHEROZOIDS ANTHEROZOOID ANTHOLOGIZED ANTHOLOGIZER ANTHOLOGIZES ANTIOZONANTS ANTISYZYGIES APOSTATIZING APOSTOLIZING APPETIZINGLY ARABIZATIONS ARBORIZATION ASEPTICIZING ASSOILZIEING ASTRONOMIZED ASTRONOMIZES ATOMIZATIONS ATTITUDINIZE AUDIBILIZING AUTOMATIZING AUTOTOMIZING AXIOMATIZING AZATHIOPRINE BANALIZATION BASTARDIZING BEDAZZLINGLY BESTIALIZING BIPOLARIZING BURGLARIZING CALENDARIZED CALENDARIZES CANALIZATION CANISTERIZED CANISTERIZES CANNIBALIZED CANNIBALIZES CANONIZATION CAPITALIZING CARAMELIZING CATABOLIZING CATALOGIZING CATECHIZINGS CATEGORIZING CENTRALIZERS CENTRALIZING CHANNELIZING CHAPTALIZING CHORIZATIONS CINEMATIZING CINNARIZINES CIVILIANIZED CIVILIANIZES CIVILIZATION CLASSICIZING COLONIALIZED COLONIALIZES COLONIZATION COLORIZATION COMMUNALIZED COMMUNALIZER COMMUNALIZES CONSERVATIZE CONTAINERIZE CORDIALIZING CREOLIZATION CRIMINALIZED CRIMINALIZES CRYSTALIZING CURARIZATION CUTINIZATION CYCLAZOCINES CYCLIZATIONS DECARBONIZED DECARBONIZER DECARBONIZES DECENTRALIZE DECIMALIZING DEHUMANIZING DEIONIZATION DELOCALIZING DEMAGNETIZED DEMAGNETIZER DEMAGNETIZES DEMINERALIZE DEMONETARIZE DEMONIZATION DEMORALIZING DENATURALIZE DENATURIZING DENUCLEARIZE DEPOLARIZING DEPUTIZATION DERIVATIZING DESALINIZING DEVALORIZING DEVITALIZING DEVOCALIZING DIAGONALIZED DIAGONALIZES DIALYZATIONS DIAZOMETHANE DIBENZOFURAN DIGITALIZING DIGITIZATION DIMERIZATION DISHARMONIZE DISORGANIZED DISORGANIZER DISORGANIZES DIVINIZATION DOCKIZATIONS EARLIERIZING ELASTICIZING EMBLAZONRIES EMBOLIZATION EMOTIONALIZE ENCARNALIZED ENCARNALIZES ENERGIZATION ENIGMATIZING ENZOOTICALLY EQUALIZATION EROTIZATIONS ESSENTIALIZE ESTERIZATION ETERNALIZING ETERNIZATION ETHERIZATION EUTHANATIZED EUTHANATIZES EVANGELIZERS EVANGELIZING EVENTUALIZED EVENTUALIZES EXTERNALIZED EXTERNALIZES FACTIONALIZE FANATICIZING FARADIZATION FEDERALIZING FEMINIZATION FIBERIZATION FICTIONALIZE FINALIZATION FLUIDIZATION FLUPHENAZINE FOCALIZATION FRACTIONIZED FRACTIONIZES FRAGMENTIZED FRAGMENTIZES FRANCIZATION FRATERNIZERS FRATERNIZING FURAZOLIDONE FUSTIANIZING GABERLUNZIES GAZETTEERING GELATINIZERS GELATINIZING GENEALOGIZED GENEALOGIZES GENERALIZERS GENERALIZING GLAMOURIZING GOLIATHIZING GORMANDIZERS GORMANDIZING GOURMANDIZED GOURMANDIZES GRANGERIZERS GRANGERIZING GRAPHITIZING GRECIANIZING HANSARDIZING HARMONIZABLE HAUSSMANNIZE HEATHENIZING HEBRAIZATION HEPARINIZING HEPATIZATION HISPANICIZED HISPANICIZES HISPANIOLIZE HOMINIZATION HORIZONTALLY HUMANIZATION HYDRALAZINES HYPNOTIZABLE IDEALIZATION IDOLATRIZING IDOLIZATIONS ILLEGALIZING IMMUNIZATION INCOGNIZABLE INCOGNIZANCE INFAMONIZING INFANTILIZED INFANTILIZES INFORMATIZED INFORMATIZES INITIALIZING INTERNALIZED INTERNALIZES IRIDIZATIONS ISOENZYMATIC ITALIANIZING ITEMIZATIONS JEOPARDIZING JOURNALIZERS JOURNALIZING KERATINIZING KYANIZATIONS LAICIZATIONS LAMINARIZING LATERALIZING LATERIZATION LATINIZATION LEGALIZATION LETHARGIZING LEXICALIZING LIBERALIZING LIONIZATIONS LITERALIZING LOCALIZATION MACADAMIZING MADERIZATION MAGNETIZABLE MARGINALIZED MARGINALIZES MARZIPANNING MASCULINIZED MASCULINIZES MAXIMIZATION MECHANIZABLE MEDICALIZING MELANIZATION MEMORIZATION MERCHANDIZED MERCHANDIZER MERCHANDIZES METABOLIZING METALIZATION MILITARIZING MINERALIZERS MINERALIZING MINERALOGIZE MINIATURIZED MINIATURIZES MINIMIZATION MISSIONARIZE MOBILIZATION MONARCHIZING MONETIZATION MORALIZATION MOTORIZATION MUNICIPALIZE MUSICALIZING MUTAGENIZING NAPHTHALIZED NAPHTHALIZES NASALIZATION NATIONALIZED NATIONALIZER NATIONALIZES NATURALIZING NAZIFICATION NEBULIZATION NEOPAGANIZED NEOPAGANIZES NEUTRALIZERS NEUTRALIZING NEWSMAGAZINE NOMADIZATION NOMINALIZING NONENZYMATIC NORMALIZABLE NOTARIZATION NOVELIZATION NUCLEARIZING OPSONIZATION OPTIMALIZING OPTIMIZATION ORGANIZATION ORIENTALIZED ORIENTALIZES OUTBRAZENING OUTORGANIZED OUTORGANIZES OVERGRAZINGS OVERORGANIZE OXIDIZATIONS OZONISATIONS OZONIZATIONS PAGANIZATION PALATALIZING PANCREOZYMIN PANEGYRIZING PARABOLIZING PARALOGIZING PARALYZATION PARALYZINGLY PARASITIZING PARCHMENTIZE PARENTHESIZE PARTIALIZING PARTIZANSHIP PASTEURIZING PATRIALIZING PECTIZATIONS PEDANTICIZED PEDANTICIZES PENALIZATION PENTAZOCINES PEPTIZATIONS PERPHENAZINE PERSONALIZED PERSONALIZES PHENARSAZINE PLAGIARIZING PLASMOLYZING PLASTICIZING PLEBEIANIZED PLEBEIANIZES POLARIZATION POLYGAMIZING POPULARIZING PORCELAINIZE PORCELLANIZE PRAGMATIZING PRECOGNIZANT PRIVATDOZENT PROCARBAZINE PROMETHAZINE PROPAGANDIZE PRUSSIANIZED PRUSSIANIZES PSALMODIZING PURITANIZING QUANTIZATION RACEMIZATION RADICALIZING RATIONALIZED RATIONALIZER RATIONALIZES REALIZATIONS RECANALIZING RECENTRALIZE RECOGNIZABLE RECOGNIZABLY RECOGNIZANCE REGIONALIZED REGIONALIZES REGULARIZING REHARMONIZED REHARMONIZES REHUMANIZING RELATIVIZING REMINERALIZE REMORALIZING RENORMALIZED RENORMALIZES REORGANIZERS REORGANIZING REPOLARIZING REVALORIZING REVITALIZING RHAPSODIZING RHIZOCTONIAS ROBOTIZATION ROMANIZATION ROMANTICIZED ROMANTICIZES RURALIZATION SACCHARIZING SALINIZATION SANCTUARIZED SANCTUARIZES SANITIZATION SATIRIZATION SCANDALIZERS SCANDALIZING SCHEMATIZING SECTARIANIZE SECTIONALIZE SECULARIZING SENSUALIZING SHERARDIZING SINGULARIZED SINGULARIZES SIZEABLENESS SLEAZINESSES SLOGANIZINGS SNAZZINESSES SOCIALIZINGS SOLARIZATION SOLMIZATIONS SOLONIZATION SOMATIZATION SPANIOLIZING SPATIALIZING SPECIALIZING SPLENIZATION STANDARDIZED STANDARDIZER STANDARDIZES STIGMATIZING STRATEGIZING STYLIZATIONS SUBERIZATION SUBURBANIZED SUBURBANIZES SULFADIAZINE SUZERAINTIES SYCOPHANTIZE SYMPATHIZING TABULARIZING TANTALIZINGS TECHNICALIZE TETANIZATION TEXTUALIZING THEORIZATION THERMALIZING THIORIDAZINE TOTALIZATION TRAILBLAZING TRANQUILIZED TRANQUILIZER TRANQUILIZES TRANQUILLIZE TRAUMATIZING TRIVIALIZING UNADVERTIZED UNAPPETIZING UNAUTHORIZED UNCANONIZING UNCAPSIZABLE UNDRAMATIZED UNEMPHASIZED UNFEUDALIZED UNFEUDALIZES UNFORMALIZED UNGLAMORIZED UNHUMANIZING UNIONIZATION UNITIZATIONS UNIVERSALIZE UNMECHANIZED UNMECHANIZES UNMORALIZING UNNATURALIZE UNPATRONIZED UNREALIZABLE UNSENSUALIZE UNSOCIALIZED UNVERBALIZED UNVULGARIZED UNVULGARIZES URBANIZATION UTILIZATIONS UTOPIANIZERS UTOPIANIZING VAGABONDIZED VAGABONDIZES VALORIZATION VAPORIZATION VELARIZATION VILLAINIZING VIRILIZATION VIRTUALIZING VITALIZATION VITAMINIZING VOCALIZATION VOLATILIZING VOWELIZATION VULCANIZABLE VULCANIZATES WARRANTIZING WEATHERIZING ZALCITABINES ZANTEDESCHIA ZILLIONAIRES ZINCOGRAPHER ZINCOGRAPHIC ZINJANTHROPI ZOANTHARIANS ZOANTHROPIES ZOOGRAFTINGS ZOOMAGNETISM ZOOSPORANGIA ZOOTECHNICAL