There are 925 thirteen-letter words containing A, 3I and N, https://www.bestwordlist.com/c/a/5/13letterwordswithaiiin.htm ABOLITIONISMS ABOLITIONISTS ABORIGINALISM ABORIGINALITY ACCLIMATISING ACCLIMATIZING ACETIFICATION ACIDIFICATION ACQUISITIONAL ACTINOBACILLI ADDITIONALITY ADMINISTERING AERIFICATIONS AIRFREIGHTING ALUMINOSITIES AMENABILITIES AMINOACIDURIA AMITRIPTYLINE AMMUNITIONING AMPLIFICATION ANALYTICITIES ANGLICISATION ANGLICIZATION ANIMALISATION ANIMALIZATION ANNIHILATIONS ANNUITISATION ANNUITIZATION ANTERIORITIES ANTIALIASINGS ANTIARTHRITIC ANTIARTHRITIS ANTIBALLISTIC ANTICHRISTIAN ANTICIPATIONS ANTICLIMACTIC ANTICLINORIUM ANTICOLLISION ANTIDIABETICS ANTIDIURETICS ANTIEPILEPTIC ANTIFEMINISMS ANTIFEMINISTS ANTIFERTILITY ANTIGRAVITIES ANTIHIJACKING ANTIHISTAMINE ANTILITTERING ANTIMICROBIAL ANTINEPHRITIC ANTINOMIANISM ANTIPARASITIC ANTIPERIODICS ANTIPESTICIDE ANTIPOLITICAL ANTIPRURITICS ANTIQUITARIAN ANTIRACHITICS ANTIRADIATION ANTIRELIGIONS ANTIRELIGIOUS ANTIRITUALISM ANTISEPTICISE ANTISEPTICISM ANTISEPTICIZE ANTISOCIALISM ANTISOCIALIST ANTISOCIALITY ARABICISATION ARABICIZATION ARACHNOIDITIS ARITHMETICIAN ARTERIALISING ARTERIALIZING ASSIBILATIONS ASSIGNABILITY ASSIMILATIONS ATTAINABILITY ATTITUDINISED ATTITUDINISER ATTITUDINISES ATTITUDINIZED ATTITUDINIZER ATTITUDINIZES BANKABILITIES BASIFICATIONS BEATIFICATION BENEFICIARIES BENEFICIATING BENEFICIATION BIBLIOMANCIES BIBLIOMANIACS BICONCAVITIES BICONDITIONAL BIDIRECTIONAL BILINGUALISMS BIMILLENARIES BIMILLENNIALS BIOGRAPHISING BIOGRAPHIZING BIOINFORMATIC BIOMETRICIANS BIPARTISANISM BOUGAINVILIAS BRILLIANTINED BRILLIANTINES CALCIFICATION CANISTERISING CANISTERIZING CANNIBALISING CANNIBALISTIC CANNIBALIZING CAPRIFICATION CARDINALITIAL CARDINALITIES CARNIFICATION CATHOLICISING CATHOLICIZING CERTIFICATING CERTIFICATION CHIEFTAINCIES CHIEFTAINRIES CHIEFTAINSHIP CHYLIFICATION CHYMIFICATION CICATRISATION CICATRIZATION CIRCULARISING CIRCULARIZING CITIFICATIONS CITYFICATIONS CIVILIANISING CIVILIANIZING CIVILISATIONS CIVILIZATIONS CLARIFICATION CLINOPINACOID CLINOPINAKOID CLIOMETRICIAN COALIFICATION COALITIONISMS COALITIONISTS COCAINISATION COCAINIZATION CODIFICATIONS COLINEARITIES COLONIALISING COLONIALISTIC COLONIALIZING COMBINABILITY CONCILIATIONS CONSIMILARITY CONVIVIALISTS CORINTHIANISE CORINTHIANIZE CORNIFICATION CREATIONISTIC CRIMINALISING CRIMINALITIES CRIMINALIZING CUTINISATIONS CUTINIZATIONS DAMNABILITIES DAMNIFICATION DANDIFICATION DEAMINISATION DEAMINIZATION DEBILITATIONS DECRIMINALISE DECRIMINALIZE DEFIBRINATING DEFIBRINATION DEIONISATIONS DEIONIZATIONS DELIMITATIONS DELIRIFACIENT DENIABILITIES DENSIFICATION DEOXIDISATION DEOXIDIZATION DERACIALISING DERACIALIZING DERIVATIONIST DESTABILISING DESTABILIZING DETRIBALISING DETRIBALIZING DEVIATIONISMS DEVIATIONISTS DIACHRONISTIC DIAGNOSTICIAN DIAGONALISING DIAGONALIZING DIALECTICIANS DIAPHANEITIES DIAZOTISATION DIAZOTIZATION DIESELISATION DIESELIZATION DIGITISATIONS DIGITIZATIONS DIGLADIATIONS DIGNIFICATION DIJUDICATIONS DILAPIDATIONS DILUCIDATIONS DIMERISATIONS DIMERIZATIONS DIPLOMATISING DIPLOMATIZING DISAPPOINTING DISCIPLINABLE DISCIPLINANTS DISCRIMINABLE DISCRIMINABLY DISCRIMINANTS DISCRIMINATED DISCRIMINATES DISCRIMINATOR DISENCHAINING DISENTRAILING DISENTRAINING DISESTIMATION DISFIGURATION DISGARNISHING DISILLUMINATE DISINFLATIONS DISINTOXICATE DISINTRICATED DISINTRICATES DISINVIGORATE DISOBLIGATION DISORGANISING DISORGANIZING DISPOSITIONAL DISPRAISINGLY DISQUALIFYING DISQUANTITIED DISQUANTITIES DISSATISFYING DISSEMINATING DISSEMINATION DISSEMINATIVE DISSIMILATING DISSIMILATION DISSIMULATING DISSIMULATION DISSOCIATIONS DISTILLATIONS DITRANSITIVES DIVARICATIONS DIVELLICATING DIVINISATIONS DIVINIZATIONS DOCTRINAIRISM DOMICILIATING DOMICILIATION DOSIMETRICIAN DULCIFICATION ELIMINABILITY ELIMINATIVISM EMIGRATIONIST EOSINOPHILIAS EPIDOTISATION EPIDOTIZATION EPITOMISATION EPITOMIZATION EQUILIBRATING EQUILIBRATION EQUIPARTITION EROTICISATION EROTICIZATION EUDAIMONISTIC EXAMINABILITY EXPANSIBILITY EXPANSIVITIES FACILITATIONS FAIRNITICKLES FALSIFICATION FAMILIARISING FAMILIARIZING FELICITATIONS FEMINISATIONS FEMINIZATIONS FERTILISATION FERTILIZATION FETISHISATION FETISHIZATION FIBERISATIONS FIBERIZATIONS FIBRILLATIONS FICTIONALISED FICTIONALISES FICTIONALIZED FICTIONALIZES FINALISATIONS FINALIZATIONS FINANCIALISTS FLUIDISATIONS FLUIDIZATIONS FORTIFICATION FOSSILISATION FOSSILIZATION FRACTIONISING FRACTIONIZING FRUITARIANISM FUSTILLIRIANS FUTILITARIANS GALLICISATION GALLICIZATION GAMIFICATIONS GASIFICATIONS GAZILLIONAIRE GEOPOLITICIAN GERIATRICIANS GERMINABILITY GILRAVITCHING GLORIFICATION GRANDIOSITIES GRANITISATION GRANITIZATION GRANODIORITIC GRATIFICATION HABILITATIONS HAIRSPLITTING HANGABILITIES HELMINTHIASIS HIBERNISATION HIBERNIZATION HIERARCHISING HIERARCHIZING HISPANICISING HISPANICIZING HISPANIOLISED HISPANIOLISES HISPANIOLIZED HISPANIOLIZES HISTAMINERGIC HOMINISATIONS HOMINIZATIONS HORRIFICATION HORRIPILATING HORRIPILATION HOSPITALISING HOSPITALIZING HUMIFICATIONS HUMILIATINGLY HYALINISATION HYALINIZATION HYBRIDISATION HYBRIDIZATION IATROGENICITY ICONOMATICISM IDEALISATIONS IDEALIZATIONS IDIOMATICNESS IDIOSYNCRATIC IDIOTICALNESS ILLIMITATIONS ILLUMINATIONS IMAGINARINESS IMAGINATIONAL IMAGINATIVELY IMITATIVENESS IMMANENTISTIC IMMIGRATIONAL IMMISERATIONS IMMORTALISING IMMORTALIZING IMMUNIFACIENT IMMUNISATIONS IMMUNIZATIONS IMPARIPINNATE IMPERIALISING IMPERIALIZING IMPIGNORATING IMPIGNORATION IMPLICATIONAL IMPROPRIATING IMPROPRIATION IMPROVISATING IMPROVISATION INACTIVATIONS INCARDINATING INCARDINATION INCARNADINING INCENDIARISMS INCERTAINTIES INCINERATIONS INCLINATIONAL INCLINATORIUM INCOGITANCIES INCRIMINATING INCRIMINATION INCRIMINATORS INCRIMINATORY INCULPABILITY INDISSOCIABLE INDISSOCIABLY INDIVIDUALISE INDIVIDUALISM INDIVIDUALIST INDIVIDUALITY INDIVIDUALIZE INDIVIDUATING INDIVIDUATION INDIVIDUATORS INDUPLICATION INDUSTRIALISE INDUSTRIALISM INDUSTRIALIST INDUSTRIALIZE INEDUCABILITY INEFFICACIOUS INEGALITARIAN INEVITABILITY INEXORABILITY INFALLIBILISM INFALLIBILIST INFALLIBILITY INFANTILISING INFANTILITIES INFANTILIZING INFEASIBILITY INFERNALITIES INFIBULATIONS INFILTRATIONS INFINITESIMAL INFINITIVALLY INFLATIONISMS INFLATIONISTS INFORMALITIES INFORMATICIAN INFORMATISING INFORMATIZING INFRAPOSITION INFRASPECIFIC INFURIATINGLY INGEMINATIONS INGRATIATIONS INGURGITATING INGURGITATION INHABITANCIES INHABITATIONS INHARMONICITY INHOSPITALITY INIMICALITIES INIMITABILITY INITIALNESSES INITIATRESSES INNOVATIONIST INOCULABILITY INOPERABILITY INORDINATIONS INQUISITIONAL INQUISITORIAL INSALIVATIONS INSALUBRITIES INSANITATIONS INSATIABILITY INSCRIPTIONAL INSEMINATIONS INSIGNIFICANT INSINUATINGLY INSOCIABILITY INSOLVABILITY INSPIRATIONAL INSPISSATIONS INSTABILITIES INSTANTIATING INSTANTIATION INSTIGATINGLY INSTILLATIONS INSTITUTIONAL INTANGIBILITY INTEGRABILITY INTEGRALITIES INTERACTIVITY INTERCHAINING INTERDIGITATE INTERFAMILIAL INTERNALISING INTERNALITIES INTERNALIZING INTERSTITIALS INTIMIDATIONS INTOXICATIONS INTRANSITIVES INTRASPECIFIC INTRINSICALLY INTUITIONALLY INTURBIDATING INVAGINATIONS INVALIDATIONS INVARIABILITY INVESTIGATING INVESTIGATION INVESTIGATIVE INVIABILITIES INVIGILATIONS INVIGORATIONS INVIOLABILITY INVITATIONALS IRRATIONALISE IRRATIONALISM IRRATIONALIST IRRATIONALITY IRRATIONALIZE ISOAGGLUTININ ISOANTIBODIES ISOLATIONISMS ISOLATIONISTS ISOMERISATION ISOMERIZATION ITALICISATION ITALICIZATION JELLIFICATION JOLLIFICATION JUSTIFICATION KINESIPATHIES KINESIPATHIST LABIALISATION LABIALIZATION LABYRINTHITIS LATINISATIONS LATINIZATIONS LEGITIMATIONS LEISHMANIASIS LEISHMANIOSIS LIBERATIONISM LIBERATIONIST LIBRARIANSHIP LICENTIATIONS LIGNIFICATION LINEARISATION LINEARIZATION LINGUISTICIAN LIQUIFACTIONS LISTENABILITY LITHIFICATION LONGANIMITIES LUTEINISATION LUTEINIZATION MACHINABILITY MAGNANIMITIES MAGNIFICATION MALIMPRINTING MANRIKIGUSARI MARGINALISING MARGINALITIES MARGINALIZING MASCULINISING MASCULINITIES MASCULINIZING MASSIFICATION MATERIALISING MATERIALIZING MAXIMISATIONS MAXIMIZATIONS MEDIATISATION MEDIATIZATION MELLIFICATION MEMORIALISING MEMORIALIZING MERIDIONALITY METRIFICATION MICROGRANITIC MICRONISATION MICRONIZATION MIGRATIONISTS MILLENNIALISM MILLENNIALIST MILLENNIANISM MILLENNIARISM MILLIONAIRESS MILLIONNAIRES MINIATURISING MINIATURISTIC MINIATURIZING MINIFICATIONS MINIMISATIONS MINIMIZATIONS MINISTERIALLY MINISTRATIONS MISCAPTIONING MISDIAGNOSING MISESTIMATING MISESTIMATION MISSIONARISED MISSIONARISES MISSIONARIZED MISSIONARIZES MOBILISATIONS MOBILIZATIONS MODIFICATIONS MOLLIFICATION MORTIFICATION MULTIVITAMINS MUMMIFICATION MUNDIFICATION MUNDIFICATIVE MUNICIPALISED MUNICIPALISES MUNICIPALISMS MUNICIPALISTS MUNICIPALIZED MUNICIPALIZES MUSICIANLIEST MUSICIANSHIPS MYSTIFICATION MYTHICISATION MYTHICIZATION NATIONALISING NATIONALISTIC NATIONALITIES NATIONALIZING NAZIFICATIONS NEGOTIABILITY NICOTINAMIDES NIDIFICATIONS NITRIFICATION NOBILITATIONS NONADDITIVITY NONANTIBIOTIC NONEQUILIBRIA NONINDIVIDUAL NONIRRITATING NONMILITARIES NONPOLITICIAN NONVALIDITIES NOTICEABILITY NOTIFICATIONS NOTIONALITIES NULLIFICATION NULLIPARITIES OBTAINABILITY OPENABILITIES OPTIMISATIONS OPTIMIZATIONS OPTIONALITIES ORIENTALISING ORIENTALITIES ORIENTALIZING ORIGINALITIES ORIGINATIVELY ORNITHISCHIAN OSSIFICATIONS OUTVILLAINING OVIPOSITIONAL PACIFICATIONS PAEDIATRICIAN PALIFICATIONS PALMIFICATION PANIFICATIONS PARTICIPATING PARTICIPATION PARTITIONISTS PARVANIMITIES PECULIARISING PECULIARIZING PEDANTICISING PEDANTICIZING PEDIATRICIANS PENICILLAMINE PENICILLATION PENICILLINASE PERICLITATING PERIODISATION PERIODIZATION PERTINACITIES PETRIFICATION PHYSICALIZING PHYSICIANCIES PHYSICIANSHIP PIANISSISSIMO PIANISTICALLY PICTURISATION PICTURIZATION PIDGINISATION PIDGINIZATION PLATINIRIDIUM PLATINISATION PLATINIZATION PLATITUDINISE PLATITUDINIZE PLEBEIANISING PLEBEIANIZING PLEBIFICATION POLLICITATION PONTIFICALITY PONTIFICATING PONTIFICATION PORNIFICATION POSTLIMINIARY PRECIPITATING PRECIPITATION PRECISIANISMS PRECISIANISTS PRELIMINARIES PRELIMINARILY PRINCIPALSHIP PRIVATISATION PRIVATIZATION PRODIGALISING PRODIGALIZING PROLIFICATION PROPITIATIONS PROVINCIALISE PROVINCIALISM PROVINCIALIST PROVINCIALITY PROVINCIALIZE PRUSSIANISING PRUSSIANIZING PUNISHABILITY PURIFICATIONS PUSILLANIMITY PUTRIFICATION PYRITHIAMINES QUALIFICATION RADIALISATION RADIALIZATION RAMIFICATIONS RATIFICATIONS RATIOCINATING RATIOCINATION RATIOCINATIVE RATIONALISING RATIONALISTIC RATIONALITIES RATIONALIZING REACQUISITION RECITATIONIST RECRIMINATING RECRIMINATION RECRIMINATIVE RECTIFICATION REGIONALISING REGIONALISTIC REGIONALIZING REINITIATIONS RELIGIONARIES RENTABILITIES REPRIVATISING REPRIVATIZING RESOCIALISING RESOCIALIZING RESTABILISING RESTABILIZING REUNIFICATION REUTILISATION REUTILIZATION REVINDICATING REVINDICATION REVISITATIONS REVISUALIZING RINSABILITIES RITUALISATION RITUALIZATION ROMANTICISING ROMANTICIZING ROUTINISATION ROUTINIZATION SALIFICATIONS SALINISATIONS SALINIZATIONS SALPINGITISES SANITARIANISM SANITATIONIST SANITISATIONS SANITIZATIONS SATELLITISING SATELLITIZING SATIRISATIONS SATIRIZATIONS SATURNINITIES SCARIFICATION SCHISMATISING SCHISMATIZING SCINTIGRAPHIC SCINTILLATING SCINTILLATION SCINTILLISCAN SCORIFICATION SEDITIONARIES SEMEIOTICIANS SEMIFINALISTS SENSITISATION SENSITIZATION SERIALISATION SERIALIZATION SIGNALISATION SIGNALIZATION SIGNIFICANCES SIGNIFICANTLY SIGNIFICATION SIGNIFICATIVE SIGNIFICATORS SIGNIFICATORY SINGULARISING SINGULARITIES SINGULARIZING SINTERABILITY SITUATIONISMS SOCIALISATION SOCIALIZATION SOLICITATIONS SOLIFIDIANISM SORBITISATION SORBITIZATION SOVIETISATION SOVIETIZATION SPECIFICATING SPECIFICATION SPIFFLICATING SPIFFLICATION SPIFLICATIONS STABILISATION STABILIZATION STATISTICIANS STERILISATION STERILIZATION STIPENDIARIES STIPENDIATING SUBDIVISIONAL SUBINDICATING SUBINDICATION SUBINDICATIVE SUBIRRIGATING SUBIRRIGATION SUBSIDISATION SUBSIDIZATION SUBTILISATION SUBTILIZATION SULFADIMIDINE SYNDICALISTIC SYPHILISATION SYPHILIZATION TACITURNITIES TANGIBILITIES TARIFFICATION TAXIDERMISING TAXIDERMIZING TENOVAGINITIS TERMINABILITY TESTIFICATION THEATRICISING THEATRICIZING THIORIDAZINES THIOSINAMINES THURIFICATION TITILLATINGLY TRADITIONISTS TRANQUILISING TRANQUILITIES TRANQUILIZING TRANSITIONING TRILINGUALISM TRILLIONAIRES TRINOMIALISMS TRINOMIALISTS TRIPARTITIONS TRIPLICATIONS TRIPUDIATIONS TROPICALISING TROPICALIZING TYPIFICATIONS UBIQUITARIANS UGLIFICATIONS UMBILICATIONS UNFAMILIARITY UNILINGUALISM UNILINGUALIST UNIMAGINATIVE UNINTIMIDATED UNIONISATIONS UNIONIZATIONS UNIPOLARITIES UNITARIANISMS UNMINISTERIAL UNORIGINALITY UNRELIABILITY UNSOCIABILITY UNSOCIALITIES UNSUITABILITY UNVITRIFIABLE URALITISATION URALITIZATION VARIATIONISTS VARIOLISATION VARIOLIZATION VASOINHIBITOR VATICINATIONS VERBIFICATION VERIFICATIONS VERSIFICATION VICTIMISATION VICTIMIZATION VILIFICATIONS VILLAGISATION VILLAGIZATION VINDICABILITY VINDICATORILY VINIFICATIONS VIRILISATIONS VIRILIZATIONS VISIONARINESS VISUALISATION VISUALIZATION VITALISATIONS VITALIZATIONS VITRIFACTIONS VITRIFICATION VITRIOLATIONS VIVIFICATIONS VIVISECTIONAL VOLCANICITIES VULCANICITIES WINNABILITIES WINTERISATION WINTERIZATION YUPPIFICATION ZINCIFICATION ZINKIFICATION ZOMBIFICATION