There are 654 thirteen-letter words containing A, B, N and O, https://www.bestwordlist.com/c/a/4/13letterwordswithabno.htm ABBREVIATIONS ABIOGENICALLY ABNORMALITIES ABOLITIONISMS ABOLITIONISTS ABORIGINALISM ABORIGINALITY ABORTIFACIENT ABSTENTIONISM ABSTENTIONIST ABSTRACTIONAL ACINETOBACTER ACTINOBACILLI ACTINOBIOLOGY ALEMBICATIONS ALLOWABLENESS AMBIGUOUSNESS AMBITIOUSNESS ANAEROBICALLY ANGLOPHOBIACS ANTAGONISABLE ANTAGONIZABLE ANTIBILLBOARD ANTIBOURGEOIS ANTIGLOBULINS ANTIMETABOLES ANTIMETABOLIC ANTIMICROBIAL ANTIOBSCENITY ANTISCORBUTIC ANTITHROMBINS APPORTIONABLE ARABICISATION ARABICIZATION ARACHNOPHOBES ARACHNOPHOBIA ARACHNOPHOBIC ARBITRATIONAL ARBORESCENCES ARBORISATIONS ARBORIZATIONS ARCHAEOBOTANY ASSEMBLYWOMAN ASSEMBLYWOMEN ASSIBILATIONS ASTROBOTANIES ATTRIBUTIONAL BABINGTONITES BACKCOUNTRIES BACKGAMMONING BACKGROUNDERS BACKGROUNDING BACKSWORDSMAN BACKSWORDSMEN BACKWARDATION BACTERIOLYSIN BACTERIOTOXIN BACTERISATION BACTERIZATION BALKANISATION BALKANIZATION BALLADMONGERS BALLETOMANIAS BALLOTTEMENTS BALNEOLOGICAL BALNEOLOGISTS BALNEOTHERAPY BAMBOOZLEMENT BANALISATIONS BANALIZATIONS BANDERILLEROS BARBARISATION BARBARIZATION BARBAROUSNESS BARNSTORMINGS BASIFICATIONS BATTLEGROUNDS BEACHCOMBINGS BEATIFICATION BEAUMONTAGUES BEAUTEOUSNESS BENEDICTIONAL BENEFICIATION BENTHOPELAGIC BENZIMIDAZOLE BENZOAPYRENES BERTILLONAGES BETACAROTENES BIBLIOMANCIES BIBLIOMANIACS BICONCAVITIES BICONDITIONAL BIDIRECTIONAL BIGNONIACEOUS BILDUNGSROMAN BIOEQUIVALENT BIOFLAVONOIDS BIOGRAPHISING BIOGRAPHIZING BIOINFORMATIC BIOMECHANICAL BIOMETRICIANS BIOTURBATIONS BIPROPELLANTS BISECTIONALLY BLAMESTORMING BLANKETFLOWER BLASTOGENESES BLASTOGENESIS BLASTOGENETIC BLASTULATIONS BLENNORRHOEAS BLETHERATIONS BLOATEDNESSES BOARDINGHOUSE BOARDSAILINGS BOARISHNESSES BOATBUILDINGS BODYBOARDINGS BODYSNATCHERS BOILERMAKINGS BOILERPLATING BONNYCLABBERS BOOTSTRAPPING BORAGINACEOUS BOTANOMANCIES BOUGAINVILIAS BOUGAINVILLEA BRAINSTORMERS BRAINSTORMING BRASSFOUNDERS BRASSFOUNDING BREADBOARDING BROADCASTINGS BROKENHEARTED BRONCHOGRAPHY BRONCHOSPASMS BRUTALISATION BRUTALIZATION BUOYANTNESSES BUSINESSWOMAN CANCEROPHOBIA CANCERPHOBIAS CANNONBALLING CARBONIFEROUS CARBONISATION CARBONIZATION CARBONYLATING CARBONYLATION CARBOXYLATING CARBOXYLATION CARBURISATION CARBURIZATION CEREBROSPINAL CEREBROTONIAS CHIMNEYBOARDS CHONDROBLASTS COACHBUILDING COHABITATIONS COLLABORATING COLLABORATION COLORABLENESS COMBATIVENESS COMBINABILITY COMBINATIONAL COMBINATORIAL COMBINATORICS COMMENSURABLE COMMENSURABLY COMPANIONABLE COMPANIONABLY CONCELEBRANTS CONCELEBRATED CONCELEBRATES CONCUBINARIES CONDITIONABLE CONFABULATING CONFABULATION CONFABULATORS CONFABULATORY CONFISCATABLE CONFUSABILITY CONGLOBATIONS CONGLOBULATED CONGLOBULATES CONGRATULABLE CONJECTURABLE CONJECTURABLY CONNUBIALISMS CONSIDERABLES CONSTABLESHIP CONSTABLEWICK CONSTRAINABLE CONSTRUCTABLE CONTABESCENCE CONTRABANDISM CONTRABANDIST CONTRABASSIST CONTRABASSOON CONTRABBASSOS CONTRIBUTABLE CORROBORATING CORROBORATION COUNTERBLASTS COUNTERBRACED COUNTERBRACES CROSSBANDINGS CROSSBARRINGS CYANOBACTERIA CYBERCHONDRIA CYTOMEMBRANES DAUNORUBICINS DEBILITATIONS DECARBONATING DECARBONATION DECARBONATORS DECARBONISERS DECARBONISING DECARBONIZERS DECARBONIZING DECARBURATION DECEREBRATION DEFIBRINATION DELIBERATIONS DERMABRASIONS DESOBLIGEANTE DIBENZOFURANS DINOTURBATION DISHONOURABLE DISHONOURABLY DISOBLIGATION ELABORATENESS ELASMOBRANCHS ELUCUBRATIONS EMBLAZONMENTS EMBOLISATIONS EMBOLIZATIONS EMBRYONICALLY ENJOYABLENESS EQUILIBRATION ETHNOBOTANIES ETHNOBOTANIST EXACERBATIONS EXCEPTIONABLE EXCEPTIONABLY EXORBITANCIES EXPROBRATIONS FAVORABLENESS FIBERISATIONS FIBERIZATIONS FIBRILLATIONS FLABELLATIONS FLAMBOYANCIES FLANNELBOARDS FLASHMOBBINGS FLUOROCARBONS FRANCOPHOBIAS FUNAMBULATION FUNAMBULATORS FUNAMBULATORY GERONTOPHOBIA GLASSBLOWINGS GLOBALISATION GLOBALIZATION GOVERNABILITY GROUNDBAITING GROUNDBREAKER GUBERNATORIAL HABILITATIONS HEARTBROKENLY HEBRAISATIONS HEBRAIZATIONS HERBORISATION HERBORIZATION HIBERNISATION HIBERNIZATION HONORABLENESS HONOURABILITY HOUSEBREAKING HOUSEHUSBANDS HYBRIDISATION HYBRIDIZATION HYPERBOLAEONS IMMOVABLENESS IMPONDERABLES INCOMPATIBLES INCONCEIVABLE INCONCEIVABLY INCONDENSABLE INCONSTRUABLE INCONTESTABLE INCONTESTABLY INCONVERSABLE INDISSOCIABLE INDISSOCIABLY INDISSOLVABLE INELABORATELY INELABORATING INEXORABILITY INFIBULATIONS INHABITATIONS INOBSERVANCES INOBSERVANTLY INOBSERVATION INOCULABILITY INOPERABILITY INSOCIABILITY INSOLVABILITY INSUBORDINATE INSUPPORTABLE INSUPPORTABLY INTERBEHAVIOR INTEROPERABLE INTERORBITALS INVENTORIABLE INVIOLABILITY ISOANTIBODIES KITEBOARDINGS KNOWLEDGEABLE KNOWLEDGEABLY LABANOTATIONS LABEFACTATION LABIALISATION LABIALIZATION LABOREDNESSES LABORIOUSNESS LACTOGLOBULIN LANDBOARDINGS LIBERATIONISM LIBERATIONIST LOSABLENESSES LOVABLENESSES LUBRICATIONAL MACROGLOBULIN MALABSORPTION MARIMBAPHONES MARIONBERRIES MARSIPOBRANCH MASTURBATIONS MATCHBOARDING MEMBRANACEOUS MEMORABLENESS MICROBALANCES MISOBSERVANCE MOBILISATIONS MOBILIZATIONS MONOSYLLABISM MONOSYLLABLES MOTORBOATINGS MOUNTAINBOARD MOUNTEBANKERY MOUNTEBANKING MOUNTEBANKISM MOVABLENESSES NEBULISATIONS NEBULIZATIONS NEGOTIABILITY NEOLIBERALISM NEUROBLASTOMA NEUROFEEDBACK NEUROFIBRILAR NEUROFIBROMAS NITROBACTERIA NOBILITATIONS NOCTAMBULISMS NOCTAMBULISTS NONABSORBABLE NONABSORPTIVE NONALPHABETIC NONANTIBIOTIC NONBEHAVIORAL NONBIOLOGICAL NONBREAKABLES NONBROADCASTS NONCANCELABLE NONCOMBATANTS NONCOMPARABLE NONCOMPATIBLE NONDEFERRABLE NONDEGRADABLE NONDELIBERATE NONDEPLETABLE NONDETACHABLE NONDIALYSABLE NONDIALYZABLE NONDURABILITY NONEQUILIBRIA NONEXPENDABLE NONFILTERABLE NONFLAMMABLES NONINDICTABLE NONLIBRARIANS NONMEASURABLE NONNEGOTIABLE NONOBSERVANCE NONPERISHABLE NONRECYCLABLE NONREFILLABLE NONREFUNDABLE NONRENEWABLES NONRETURNABLE NONSHRINKABLE NOTABLENESSES NOTICEABILITY OBJECTIONABLE OBJECTIONABLY OBJECTIVATING OBJECTIVATION OBLITERATIONS OBNUBILATIONS OBSCURANTISMS OBSCURANTISTS OBSERVATIONAL OBSESSIONALLY OBSTETRICIANS OBSTINATENESS OBSTRUCTIONAL OBTAINABILITY OBTEMPERATING ODONTOBLASTIC ODONTOPHOBIAS OMBUDSMANSHIP OPENABILITIES OPISTHOBRANCH ORNITHOPHOBIA OUTBARGAINING OVERABOUNDING OVERABUNDANCE OVERBALANCING OVERBEARINGLY OVERBLEACHING OVERBREATHING OVEREXUBERANT OVERLABOURING PALAEOBOTANIC PALEOBOTANIES PALEOBOTANIST PARABOLANUSES PARASYMBIONTS PENTOBARBITAL PERAMBULATION PERDITIONABLE PERSONIFIABLE PERTURBATIONS PHENGOPHOBIAS PHENOBARBITAL PLEBIFICATION PNEUMOBACILLI POLYBUTADIENE POLYCARBONATE PONDERABILITY POSTDEBUTANTE POSTEMBRYONAL POTABLENESSES POWERBOATINGS PROBATIONALLY PROBOSCIDEANS PROBOSCIDIANS PROCARBAZINES PRONOUNCEABLE PROTUBERANCES PROTUBERANTLY PROTUBERATING PROTUBERATION RADIOLABELING REABSORPTIONS REASONABILITY REATTRIBUTION RECALIBRATION RECOMBINATION RECOMMENDABLE RECOMMENDABLY RECOMPENSABLE REINFORCEABLE REKEYBOARDING RELUBRICATION REMOVABLENESS REPUBLICATION REVERBERATION REVOCABLENESS RHABDOMANCERS RHABDOMANCIES RHABDOMANTIST RIBONUCLEASES ROADBUILDINGS ROBOTISATIONS ROBOTIZATIONS ROLLERBLADING ROUNDABOUTING SAILBOARDINGS SALMONBERRIES SATANOPHOBIAS SCRAPBOOKINGS SEASONABILITY SEMICARBAZONE SHOPBREAKINGS SKATEBOARDING SNOBBOCRACIES SNOBOGRAPHERS SNOBOGRAPHIES SNOWBOARDINGS SOMNAMBULANCE SOMNAMBULANTS SOMNAMBULATED SOMNAMBULATES SOMNAMBULATOR SOMNAMBULISMS SOMNAMBULISTS SORBEFACIENTS SORBITISATION SORBITIZATION SPEEDBOATINGS SPONGIOBLASTS SPRINGBOARDED STABILISATION STABILIZATION STONEBREAKERS STORYBOARDING STROBILATIONS SUBADOLESCENT SUBALLOCATING SUBALLOCATION SUBARACHNOIDS SUBARCUATIONS SUBARRHATIONS SUBCONTRACTED SUBCONTRACTOR SUBCONTRARIES SUBDEACONATES SUBDEACONRIES SUBDEACONSHIP SUBDIACONATES SUBDIVISIONAL SUBERISATIONS SUBERIZATIONS SUBFEUDATIONS SUBGENERATION SUBHASTATIONS SUBINDICATION SUBIRRIGATION SUBLANCEOLATE SUBLINEATIONS SUBORDINARIES SUBORDINATELY SUBORDINATING SUBORDINATION SUBORDINATIVE SUBORDINATORS SUBPOPULATION SUBSATURATION SUBSIDISATION SUBSIDIZATION SUBSTANTIATOR SUBSTRACTIONS SUBTERRANEOUS SUBTILISATION SUBTILIZATION SUBVENTIONARY SUBVERSIONARY SUBVOCALISING SUBVOCALIZING SUPERABOUNDED SURFBOARDINGS SYLLABICATION SYMBOLISATION SYMBOLIZATION TABLESPOONFUL TAMBOURINISTS TECHNOBABBLES TECHNOPHOBIAS THANATOPHOBIA THERMOBALANCE THIABENDAZOLE THROMBOKINASE TIMBROMANIACS TOBACCANALIAN TOLERABLENESS TOUCHABLENESS TRANSFORMABLE TRANSPORTABLE TROUBLEMAKING TUBERCULATION TUBOCURARINES TURBOCHARGING UMBILICATIONS UNACCOUNTABLE UNACCOUNTABLY UNAMBIGUOUSLY UNAMBITIOUSLY UNCOLLECTABLE UNCOMBATIVELY UNCOMFORTABLE UNCOMFORTABLY UNCOMMENDABLE UNCOMMENDABLY UNCONCEALABLE UNCONCEIVABLE UNCONCEIVABLY UNCONFORMABLE UNCONFORMABLY UNCONQUERABLE UNCONQUERABLY UNCONTAINABLE UNCONTESTABLE UNCONVERSABLE UNCORRECTABLE UNDIAGNOSABLE UNEMPLOYABLES UNENFORCEABLE UNEQUIVOCABLE UNEQUIVOCABLY UNFASHIONABLE UNFASHIONABLY UNFORESEEABLE UNFORESEEABLY UNFORGETTABLE UNFORGETTABLY UNINFORCEABLE UNKNOWABILITY UNMENTIONABLE UNMENTIONABLY UNMETABOLISED UNMETABOLIZED UNOBSERVABLES UNOBSERVANCES UNPERFORMABLE UNPOLARISABLE UNPOLARIZABLE UNPROBLEMATIC UNPUTDOWNABLE UNRECOVERABLE UNRECOVERABLY UNSMOTHERABLE UNSOCIABILITY UNSUPPORTABLE UNWORKABILITY URBANISATIONS URBANIZATIONS URBANOLOGISTS VAGABONDISING VAGABONDIZING VASOINHIBITOR VERBALISATION VERBALIZATION VERBIFICATION VERBIGERATION VERTEBRATIONS VIBRAPHONISTS VIBRATIONLESS VOCABULARIANS WAKEBOARDINGS WATERBOARDING ZALAMBDODONTS ZOMBIFICATION