There are 924 nine-letter words containing A, B, I and R, https://www.bestwordlist.com/c/a/4/9letterwordswithabir.htm
ABATTOIRS ABDICATOR ABHENRIES ABHORRING ABNORMITY ABOLISHER ABORIGENS
ABORIGINE ABORIGINS ABORTIONS ABRACHIAS ABRAIDING ABRASIONS ABRASIVES
ABRICOCKS ABRIDGERS ABRIDGING ABROOKING ABRUPTION ABSEILERS ABSORBING
ABSTAINER ABSTRICTS ABSURDISM ABSURDIST ABSURDITY ACROBATIC ADMIRABLE
ADMIRABLY ADSORBING ADVERBIAL AEROBATIC AEROBIONT AIRBALLED AIRBOARDS
AIRBRICKS AIRBURSTS AIRBUSSES AIRMOBILE ALBARELLI ALBERTITE ALBICORES
ALBRICIAS ALDICARBS ALGEBRAIC AMBERGRIS AMBERIEST AMBERINAS AMBERITES
AMBEROIDS AMBIPOLAR AMBIVERTS AMBROSIAL AMBROSIAN AMBROSIAS ANAEROBIA
ANAEROBIC ANTIBUSER ANTILABOR ANTIURBAN AQUAROBIC ARABICISE ARABICIZE
ARABILITY ARABINOSE ARABISING ARABIZING ARBALISTS ARBITRAGE ARBITRARY
ARBITRATE ARBITRESS ARBITRIUM ARBORISED ARBORISES ARBORISTS ARBORIZED
ARBORIZES ARBOVIRAL ARBOVIRUS ASCRIBING ATABRINES ATTRIBUTE AUBERGINE
AUBRETIAS AUBRIETAS AUBRIETIA AVERTIBLE BABBITTRY BABIRUSAS BABIRUSSA
BACCIFORM BACILLARY BACKBITER BACKFIRED BACKFIRES BACKLINER BACKSPEIR
BACKSTAIR BACTERIAL BACTERIAN BACTERIAS BACTERINS BACTERISE BACTERIUM
BACTERIZE BACTEROID BADGERING BADINERIE BAGPIPERS BAHUVRIHI BAIDARKAS
BAIGNOIRE BAIRNLIER BAIRNLIKE BALDRICKS BALEFIRES BALISAURS BALLERINA
BALLERINE BALLGIRLS BALSAMIER BALZARINE BANDEIRAS BANDELIER BANDOLIER
BANDURIST BANGSRING BANISHERS BANISTERS BANNERING BANNISTER BANTERING
BANXRINGS BAPTISERS BAPTISTRY BAPTIZERS BARACHOIS BARAGOUIN BARASINGA
BARBARIAN BARBARISE BARBARISM BARBARITY BARBARIZE BARBERING BARBICANS
BARBICELS BARBITALS BARBITONE BARBOTINE BARBWIRES BARDLINGS BARDSHIPS
BAREGINES BARGAINED BARGAINER BARGELIKE BARIATRIC BARITONAL BARITONES
BARKENING BARMINESS BARNEYING BAROPHILE BAROTITIS BARRAGING BARRATING
BARRELING BARRICADE BARRICADO BARRICOES BARRIERED BARRIQUES BARRISTER
BARTERING BARTISANS BARTIZANS BASELINER BASIFIERS BATONNIER BATRACHIA
BATTERIES BATTERING BAUDRICKE BAUDRICKS BEANERIES BEARBINES BEARDIEST
BEARDLIKE BEARISHLY BEARNAISE BEARSKINS BEASTLIER BEAVERIES BEAVERING
BEDCHAIRS BEDIAPERS BEDRAPING BEGGARIES BEGGARING BEHAVIORS BEHAVIOUR
BEPRAISED BEPRAISES BEREAVING BERGENIAS BERIMBAUS BERRIGANS BERYLLIAS
BETRAYING BEWAILERS BEWEARIED BEWEARIES BEWRAYING BEZOARDIC BICAMERAL
BICORNATE BIDARKEES BIFARIOUS BIFILARLY BIFURCATE BIGARADES BIGAROONS
BIGARREAU BILANDERS BILATERAL BILHARZIA BILIARIES BILITERAL BILLBOARD
BILLIARDS BILOBULAR BILOCULAR BINARISMS BINERVATE BINOCULAR BINOVULAR
BINUCLEAR BIOGRAPHS BIOGRAPHY BIOHACKER BIOHAZARD BIOMARKER BIOPARENT
BIOPIRACY BIOPIRATE BIPARTITE BIPYRAMID BIRADICAL BIRCHBARK BIRDBATHS
BIRDBRAIN BIRDCAGES BIRDCALLS BIRDFARMS BIRDWATCH BIRIYANIS BIRLIEMAN
BIRRETTAS BIRTHDATE BIRTHDAYS BIRTHMARK BIRTHNAME BIRTHRATE BISERIATE
BISERRATE BISMARCKS BITSTREAM BIVARIANT BIVARIATE BIZARRELY BLACKBIRD
BLEARIEST BLINKARDS BLIZZARDS BLIZZARDY BOARDINGS BOARDLIKE BOARISHLY
BOGARTING BOILERMAN BOLIVARES BORACHIOS BORACITES BORRELIAS BOTANISER
BOTANIZER BOUVARDIA BOYARISMS BRABBLING BRACHIALS BRACHIATE BRACHIUMS
BRACINGLY BRACIOLAS BRACIOLES BRACONIDS BRAEHEIDS BRAGGIEST BRAGGINGS
BRAHMANIS BRAIDINGS BRAILLERS BRAILLING BRAILLIST BRAINCASE BRAINDEAD
BRAINFART BRAINFOOD BRAINIACS BRAINIEST BRAINLESS BRAINPANS BRAINSICK
BRAINSTEM BRAINWASH BRAINWAVE BRAINWORK BRAIRDING BRAMBLIER BRAMBLING
BRANCHIAE BRANCHIAL BRANCHIER BRANCHING BRANDINGS BRANDISES BRANDLING
BRANDYING BRANGLING BRANKIEST BRANNIEST BRANNIGAN BRANTAILS BRASHIEST
BRASILEIN BRASILINS BRASSERIE BRASSICAS BRASSIERE BRASSIEST BRATLINGS
BRATTICED BRATTICES BRATTIEST BRATTLING BRAUNITES BRAVERIES BRAWLIEST
BRAWLINGS BRAWNIEST BRAZENING BRAZILEIN BRAZILINS BREACHING BREADBINS
BREADIEST BREADLIKE BREADLINE BREAKINGS BREAKTIME BREASKITS BREASTING
BREASTPIN BREATHIER BREATHILY BREATHING BRECCIATE BREGMATIC BREVIATES
BRIARIEST BRIARROOT BRIARWOOD BRIBEABLE BRICABRAC BRICKBATS BRICKCLAY
BRICKWALL BRICKYARD BRICOLAGE BRIDECAKE BRIDEMAID BRIDESMAN BRIDGABLE
BRIDLEWAY BRIEFCASE BRIGADIER BRIGADING BRIGALOWS BRIGANDRY BRILLIANT
BRINJARRY BRISANCES BRITANNIA BRITSCHKA BRITTANIA BRITZSKAS BROACHING
BROADBILL BROADBRIM BROADLINE BROADSIDE BROADTAIL BROADWISE BROASTING
BROCADING BROMANTIC BROMATING BROMELAIN BROMELIAD BROMELIAS BROMINATE
BRONCHIAL BROWALLIA BROWNTAIL BRUTALISE BRUTALISM BRUTALIST BRUTALITY
BRUTALIZE BUCCANIER BULLARIES BURSARIAL BURSARIES CABBAGIER CABDRIVER
CABINETRY CABRILLAS CABRIOLES CABRIOLET CALIBERED CALIBRATE CAMBERING
CAMBIFORM CAMBISTRY CARABINER CARABINES CARBAMIDE CARBAMINO CARBANION
CARBIDOPA CARBINEER CARBINIER CARBINOLS CARBOLICS CARBOLISE CARBOLIZE
CARBONISE CARBONIUM CARBONIZE CARBURISE CARBURIZE CATBRIARS CATBRIERS
CEDARBIRD CERBERIAN CHAIRBACK CHARBROIL CHIPBOARD CHORIAMBI CHORIAMBS
CINNABARS CLIPBOARD COHABITER COHABITOR COLUBRIAD CONURBIAS COOLIBARS
CORBICULA CORNBRAID COURBARIL CRABBIEST CRABSTICK CRANKBAIT CRIBBAGES
CRIBELLAR CROWBAITS CRYBABIES CYBRARIAN DAUBERIES DEBARKING DEBARRING
DEBONAIRE DECARBING DERIVABLE DERIVABLY DESIRABLE DESIRABLY DIABLERIE
DIATRIBES DIRTBALLS DISABLERS DISBARKED DISBARRED DISBRANCH DISBURSAL
DISEMBARK DITHYRAMB DRABBIEST DRABBLING DRAINABLE DRILLABLE DRINKABLE
DRINKABLY DRIVEABLE DUOBINARY EBRILLADE EMBARKING EMBARRING EMBRACING
EMBRACIVE EMBRAIDED EMBRAVING ENDBRAINS ESCRIBANO EUPHORBIA EXPIRABLE
FABRICANT FABRICATE FABRICKED FABRIQUES FEBRICULA FIBRANNES FIBRILLAE
FIBRILLAR FIBROMATA FIGURABLE FILTRABLE FIMBRIATE FIREBACKS FIREBALLS
FIREBASES FIREBOARD FIREBOATS FIREBRAND FIREBRATS FIREBREAK FLIPBOARD
FORBIDALS FORBIDDAL FOREBRAIN FORECABIN FRAMBESIA FRAMBOISE FRANGIBLE
FRIARBIRD FUNEBRIAL GABARDINE GABERDINE GAOLBIRDS GARBAGIER GARBLINGS
GARIBALDI GRABBIEST GRABBLING GRASSBIRD GUBERNIYA GUIMBARDS HABERDINE
HAIRBALLS HAIRBANDS HAIRBELLS HAIRBRUSH HAIRYBACK HANGBIRDS HARBINGER
HARBORING HEATHBIRD HEBRAISED HEBRAISES HEBRAIZED HEBRAIZES HERBALISM
HERBALIST HERBARIAL HERBARIAN HERBARIES HERBARIUM HERBIVORA HERITABLE
HERITABLY HIBERNATE HINDBRAIN HYBRIDOMA HYPOBARIC ICEBOATER IGNORABLE
ILLIBERAL IMBALMERS IMBARKING IMBARRING IMBRANGLE IMBRICATE INBREATHE
INCUBATOR INCURABLE INCURABLY INEBRIANT INEBRIATE INERRABLE INERRABLY
INFERABLE INFERABLY INHABITER INHABITOR INJURABLE INSURABLE INTERBANK
INUMBRATE IRASCIBLE IRASCIBLY IRONBARKS IRRIGABLE IRRIGABLY IRRITABLE
IRRITABLY ISALLOBAR ISOBARISM JABBERING JABORANDI JAILBIRDS JAILBREAK
JAILBROKE KARABINER KICKBOARD KITEBOARD KOHLRABIS LABORIOUS LABORISMS
LABORISTS LABORITES LABOURING LABOURISM LABOURIST LABOURITE LABYRINTH
LADYBIRDS LAMEBRAIN LIBERALLY LIBERATED LIBERATES LIBERATOR LIBRAIRES
LIBRAIRIE LIBRARIAN LIBRARIES LIBRATING LIBRATION LIBRATORY LITTERBAG
LUBRICANT LUBRICATE LUMBRICAL MACROBIAN MADBRAINS MAINBRACE MANUBRIAL
MANUBRIUM MARBELISE MARBELIZE MARBLEISE MARBLEIZE MARBLIEST MARBLINGS
MARIMBIST MERCIABLE MICAWBERS MICROBARS MICROBEAD MICROBEAM MICROBIAL
MICROBIAN MIDBRAINS MILLBOARD MILLIBARS MINIBREAK MIRABELLE MIRABILIA
MIRABILIS MISBRANDS MISERABLE MISERABLY MISLABORS MISLABOUR NAILBITER
NAILBRUSH NINEBARKS NOBILIARY NONBINARY NONTRIBAL OBLIGATOR OBTAINERS
OBVIATORS ORBICULAR ORBITALLY ORIBATIDS PANBROILS PARABASIS PARABLING
PARABOLIC PARBAKING PARBOILED PEABRAINS PERIBLAST PINBOARDS PREBAKING
PREOBTAIN PREVIABLE PRICEABLE PRINTABLE PROBATING PROBATION PROBATIVE
PROCAMBIA RABATINES RABATTING RABBETING RABBINATE RABBINICS RABBINISM
RABBINIST RABBINITE RABBITERS RABBITIER RABBITING RABBITOHS RABBLINGS
RABIDNESS RAILBIRDS RAILBUSES RAINBANDS RAINBIRDS RAINBOWED RAISEABLE
RAMBLINGS RAZORBILL REBACKING REBADGING REBAITING REBAPTISE REBAPTISM
REBAPTIZE REBOATION REBRACING REBURIALS RECITABLE REDBAITED REDBAITER
REFINABLE REHABBING REINHABIT RELIABLES RELIVABLE REOBTAINS RESIZABLE
REVIBRATE REVISABLE REVIVABLE REVIVABLY REWIRABLE RHABDOIDS RHEOBASIC
RHIZOBIAL RHOMBICAL RHUMBAING RIBALDEST RIBATTUTA RIBAUDRED RIBAVIRIN
RIBOSOMAL RIBOZYMAL RIDGEBACK RIGHTABLE RIGHTABLY RINGBARKS RINSEABLE
RITUXIMAB RIVERBANK RIVERBOAT ROCKABIES RUBRICATE RUBRICIAN RUDBECKIA
SABERLIKE SABOTIERS SABRELIKE SABREWING SAILBOARD SALUBRITY SAPROBIAL
SAPROBITY SAWTIMBER SCARABAEI SCARABOID SCRABBING SCRAMBING SCRAWBING
SCRIBABLE SEAROBINS SEMIURBAN SHAMBLIER SHILLABER SHIPBOARD SHIRTBAND
SIBILATOR SIDEBOARD SIGNBOARD SIMAROUBA SIMARUBAS SKIMBOARD SNAKEBIRD
SORBARIAS SORBITANS SPARERIBS SQUABBIER STEPBAIRN STIRABOUT STIRRABLE
STRABISMS STRIKABLE STROBILAE STROBILAR SUBAERIAL SUBARCTIC SUBLINEAR
SUBMARINE SUBMATRIX SUBSIZARS SUBURBIAS SUBVICARS SURBATING SYBARITES
SYBARITIC TABASHIRS TABORINES TABOURING TABOURINS TAILBOARD TAMBOURIN
TAMBURINS TARBOGGIN TIEBREAKS TIMBERMAN TORBANITE TRAILABLE TRAINABLE
TRAINBAND TREBBIANO TRIBADIES TRIBADISM TRIBALISM TRIBALIST TRIBESMAN
TRIBRACHS TRIBULATE TRIBUNALS TRIBUNARY TRIBUNATE TRIBUTARY TRILOBATE
TUBICOLAR TURBARIES TURBINALS TURBINATE TURRIBANT UMBRAGING UMBRATILE
UNACERBIC UNBARKING UNBARRING UNBEARING UNBRACING UNBRAIDED UNBRAKING
UNHIRABLE UNRIDABLE UNTIRABLE UPBEARING UPBRAIDED UPBRAIDER UPBRAYING
URBANISED URBANISES URBANISMS URBANISTS URBANITES URBANIZED URBANIZES
VARIABLES VERBALISE VERBALISM VERBALIST VERBALITY VERBALIZE VERBARIAN
VERBIAGES VERITABLE VERITABLY VIBRACULA VIBRAHARP VIBRANCES VIBRANTLY
VIBRATILE VIBRATING VIBRATION VIBRATIVE VIBRATORS VIBRATORY VIBRISSAE
VIBRISSAL WARBLIEST WARBLINGS WARIBASHI WATERBIRD WHIRLBATS WINDBREAK
WRISTBAND WRITEABLE XYLORIMBA YABBERING YARDBIRDS YTTERBIAS ZEBRAFISH