There are 435 fifteen-letter words containing A, B, 2I and S, https://www.bestwordlist.com/c/a/5/15letterwordswithabiis.htm ABORIGINALITIES ABSORBABILITIES ABSTRACTIONISMS ABSTRACTIONISTS ACCEPTABILITIES ACCESSIBILITIES ACQUIRABILITIES ACTINOBIOLOGIES ADJUSTABILITIES ADMISSIBILITIES ADSORBABILITIES AFFECTABILITIES AFFORDABILITIES AGRIBUSINESSMAN AGRIBUSINESSMEN ALPHABETISATION AMBIDEXTERITIES AMBISEXUALITIES AMBITIOUSNESSES ANALYSABILITIES ANALYZABILITIES ANSWERABILITIES ANTIABORTIONIST ANTIFASHIONABLE ANTIFILIBUSTERS ANTILIBERALISMS ANTIMETABOLITES ANTIREPUBLICANS ANTITHROMBOTICS APPEALABILITIES APPLICABILITIES ARBITRARINESSES ARBORICULTURIST ARIBOFLAVINOSES ARIBOFLAVINOSIS ASSIGNABILITIES ASSOCIABILITIES ASTROBIOLOGISTS ATRABILIOUSNESS ATTAINABILITIES ATTRIBUTIVENESS AUTOBIOGRAPHIES AUTOSTABILITIES BACCHANALIANISM BACTERIOLOGISTS BACTERIOPHAGIES BASIDIOMYCETOUS BASTARDISATIONS BASTARDIZATIONS BEAUTIFICATIONS BELIEVABILITIES BENZODIAZEPINES BIBLIOTHECARIES BIBLIOTHERAPIES BIDIALECTALISMS BIOACOUSTICIANS BIOASTRONAUTICS BIOCONTAINMENTS BIODEGRADATIONS BIOEQUIVALENCES BIOGEOCHEMICALS BIOREGIONALISMS BIOREGIONALISTS BIOREMEDIATIONS BIOSTATISTICIAN BIOSTRATIGRAPHY BIOSYSTEMATISTS BIPARTISANSHIPS BIPOLARISATIONS BIPOLARIZATIONS BISYMMETRICALLY BITUMINISATIONS BITUMINIZATIONS BLAXPLOITATIONS BOUGAINVILLAEAS BOWDLERISATIONS BOWDLERIZATIONS BRACHYPINAKOIDS BRAINSICKNESSES BREATHABILITIES BREATHARIANISMS BRILLIANTNESSES BUREAUCRATISING CALCULABILITIES CANNIBALISATION CENSURABILITIES CHAMBERLAINSHIP CHANGEABILITIES CHARGEABILITIES CIRCUMAMBAGIOUS CIRCUMAMBIENCES CIRCUMSCRIBABLE COAGULABILITIES CODIFIABILITIES COLOURABILITIES COMBINABILITIES COMMUTABILITIES COMPARABILITIES COMPATIBILITIES COMPUTABILITIES CONFUSABILITIES CONSCIONABILITY CREDITABILITIES CRUCIVERBALISMS CRUCIVERBALISTS CULTIVABILITIES DAMAGEABILITIES DECARBONISATION DECARBURISATION DECEIVABILITIES DECOMPOSABILITY DEFEASIBILITIES DEFIBRILLATIONS DEFORMABILITIES DEGRADABILITIES DELECTABILITIES DEMOBILISATIONS DEMOBILIZATIONS DEMONSTRABILITY DEPENDABILITIES DEPLORABILITIES DESPICABILITIES DESTABILISATION DESTABILIZATION DETACHABILITIES DETECTABILITIES DETERRABILITIES DETESTABILITIES DETRIBALISATION DIALYSABILITIES DIALYZABILITIES DISAGREEABILITY DISAMBIGUATIONS DISAPPROBATIONS DISATTRIBUTIONS DISEMBARKATIONS DISEMBARRASSING DISEQUILIBRATED DISEQUILIBRATES DISESTABLISHING DISHABILITATING DISHABILITATION DISPOSABILITIES DISPUTABILITIES DISREPUTABILITY DISSOCIABLENESS DISSYLLABIFYING DISTINGUISHABLE DISTINGUISHABLY DISTRACTIBILITY DORSIBRANCHIATE DUPLICABILITIES EBULLIOSCOPICAL EBURNIFICATIONS EDUCATABILITIES ELIMINABILITIES EMPLOYABILITIES ENUMERABILITIES EVAPORABILITIES EXAMINABILITIES EXCLUDABILITIES EXPANDABILITIES EXPANSIBILITIES EXPENDABILITIES EXPORTABILITIES EXTENDABILITIES EXTRUDABILITIES FACTORABILITIES FIBROCARTILAGES FILTERABILITIES FORMIDABILITIES GERMINABILITIES GINGERBREADIEST GOVERNABILITIES GYROSTABILISERS GYROSTABILIZERS HEMOGLOBINURIAS HIBERNICISATION HISTOCOMPATIBLE HONOURABILITIES HYPNOTISABILITY ILLIBERALNESSES ILLIMITABLENESS IMMEASURABILITY IMMEDICABLENESS IMMENSURABILITY IMMOBILISATIONS IMMOBILIZATIONS IMMOVEABILITIES IMPALPABILITIES IMPARTIBILITIES IMPASSABILITIES IMPASSIBILITIES IMPECCABILITIES IMPERISHABILITY IMPERTURBATIONS IMPERVIABLENESS IMPLACABILITIES IMPLAUSIBLENESS IMPORTABILITIES IMPROBABILITIES IMPROVABILITIES INACCESSIBILITY INADMISSIBILITY INADVISABLENESS INALIENABLENESS INAPPREHENSIBLE INAUDIBLENESSES INCONSOLABILITY INCULPABILITIES INDEFEASIBILITY INDEFINABLENESS INDIGESTABILITY INDISCIPLINABLE INDISPUTABILITY INDISTRIBUTABLE INDOMITABLENESS INDUBITABLENESS INEDUCABILITIES INEQUITABLENESS INESTIMABLENESS INEVITABILITIES INEXORABILITIES INFALLIBILITIES INFEASIBILITIES INFRANGIBLENESS INHERITABLENESS INIMITABILITIES INOCULABILITIES INOPERABILITIES INSATIABILITIES INSCRIBABLENESS INSOCIABILITIES INSOLVABILITIES INSUBORDINATELY INSUBORDINATION INSUBSTANTIALLY INTANGIBILITIES INTEGRABILITIES INTERBEHAVIOURS INTRANSMISSIBLE INVARIABILITIES INVIOLABILITIES IRASCIBLENESSES IRRECONCILABLES IRRESISTABILITY IRRESOLVABILITY IRRITABLENESSES JUSTIFIABLENESS LABYRINTHITISES LIBERALISATIONS LIBERALIZATIONS LIBERTARIANISMS LIMITABLENESSES LISTENABILITIES MACHINABILITIES MALDISTRIBUTION MANAGEABILITIES MARKETABILITIES MEASURABILITIES MENSURABILITIES METABISULPHITES METAGRABOLISING METAGROBOLISING METASTABILITIES MISATTRIBUTIONS MISTRANSCRIBING MODIFIABILITIES MONOSYLLABICITY NANOPUBLISHINGS NEGOTIABILITIES NONDURABILITIES NONSAPONIFIABLE NOTICEABILITIES NUDIBRANCHIATES OBSERVABILITIES OBTAINABILITIES OVERAMBITIOUSLY OVERSTABILITIES PALAEBIOLOGISTS PALAEOBIOLOGIES PALAEOBIOLOGIST PALEOBIOLOGISTS PARABOLISATIONS PARABOLIZATIONS PATENTABILITIES PENETRABILITIES PERDURABILITIES PERFECTIBILIANS PERISHABILITIES PERISSOSYLLABIC PERMUTABILITIES POLYSYLLABICISM PONDERABILITIES PREDICABILITIES PREESTABLISHING PREFABRICATIONS PREFERABILITIES PREPUBLICATIONS PRESBYTERIANISE PRESBYTERIANISM PRESBYTERIANIZE PROBABILIORISMS PROBABILIORISTS PROBATIONERSHIP PROFITABILITIES PROMOTABILITIES PROPAGABILITIES PROVERBIALISING PUNISHABILITIES QUADRISYLLABICS QUESTIONABILITY QUODLIBETARIANS RADIOBIOLOGISTS REALISABILITIES REALIZABILITIES REASONABILITIES RECALLABILITIES RECEIVABILITIES RECOGNISABILITY RECYCLABILITIES REDEEMABILITIES REFORMABILITIES REFUNDABILITIES REHABILITATIONS REMARKABILITIES REMEDIABILITIES REMOBILISATIONS REMOBILIZATIONS REPAIRABILITIES REPEATABILITIES REPLICABILITIES REPUBLICANISING RESECTABILITIES RESOLVABILITIES RESPECTABILISED RESPECTABILISES RESPECTABILIZED RESPECTABILIZES RESPIRABILITIES RESTABILIZATION RETURNABILITIES REVEALABILITIES SABERMETRICIANS SCRATCHBUILDING SCRIBACIOUSNESS SEARCHABILITIES SEASONABILITIES SEMIABSTRACTION SINTERABILITIES SKETCHABILITIES SOCIOBIOLOGICAL SOLDERABILITIES SOLUBILISATIONS SOLUBILIZATIONS SPREADABILITIES SQUEEZABILITIES STRIKEBREAKINGS STROBILISATIONS STROBILIZATIONS SUBASSOCIATIONS SUBCATEGORISING SUBCATEGORIZING SUBCIVILISATION SUBCIVILIZATION SUBINFEUDATIONS SUBINSINUATIONS SUBLAPSARIANISM SUBMINIATURISED SUBMINIATURISES SUBMINIATURIZED SUBMINIATURIZES SUBOPTIMISATION SUBOPTIMIZATION SUBORGANISATION SUBORGANIZATION SUBSPECIALISING SUBSPECIALITIES SUBSPECIALIZING SUBSPECIFICALLY SUBSTANTIALISED SUBSTANTIALISES SUBSTANTIALISMS SUBSTANTIALISTS SUBSTANTIALIZED SUBSTANTIALIZES SUBSTANTIATIONS SUBSTANTIVISING SUBSTANTIVITIES SUBSTANTIVIZING SUBSTITUTIONARY SUBURBANISATION SUBURBANIZATION SUBVERSIONARIES SUBVOCALISATION SUBVOCALIZATION SURVIVABILITIES SYLLABIFICATION SYMBOLISTICALLY TABULARISATIONS TABULARIZATIONS TEMPERABILITIES TERMINABILITIES TETRABASICITIES THERMOSTABILITY TINTINNABULATES TRANSFERABILITY TRANSLATABILITY TRANSMUTABILITY TRANSPOSABILITY TRIBUTARINESSES TRISYLLABICALLY TUBERCULISATION UBIQUITARIANISM UBIQUITINATIONS ULTRALIBERALISM UNANSWERABILITY UNASSAILABILITY UNDISCIPLINABLE UNIVERSALISABLE UNIVERSALIZABLE UNKNOWABILITIES UNREADABILITIES UNRELIABILITIES UNSALEABILITIES UNSOCIABILITIES UNSUITABILITIES UNTRANSMISSIBLE UNWORKABILITIES UPGRADABILITIES VAPOURABILITIES VERIFIABILITIES VIBROFLOTATIONS VINDICABILITIES VULNERABILITIES