There are 552 words containing A, B, H and Y, https://www.bestwordlist.com/c/a/4/wordswithabhy.htm
ABASHEDLY ABERNETHY ABHENRY ABHENRYS ABHORRENCY ABHORRENTLY ABIOTROPHY
ALPHABETICALLY AMBIOPHONY AMPHIBIOUSLY AMPHIBOLOGY AMPHIBOLY
ANTHROPOBIOLOGY APPREHENSIBLY APPROACHABILITY ARCHAEOBOTANY ARCHEOBOTANY
AUTOBIOGRAPHY AUTOPHOBY BABYHOOD BABYHOODS BABYISH BABYISHLY
BACKHANDEDLY BACTERIOPHAGY BALLYHOO BALLYHOOED BALLYHOOING BALLYHOOS
BALNEOTHERAPY BARYSPHERE BARYSPHERES BASHFULLY BASHLYK BASHLYKS
BATHETICALLY BATHOMETRICALLY BATHOMETRY BATHYAL BATHYBIUS BATHYBIUSES
BATHYGRAPHIC BATHYGRAPHICAL BATHYLIMNETIC BATHYLITE BATHYLITES
BATHYLITH BATHYLITHIC BATHYLITHS BATHYLITIC BATHYMETER BATHYMETERS
BATHYMETRIC BATHYMETRICAL BATHYMETRICALLY BATHYMETRIES BATHYMETRY
BATHYPELAGIC BATHYSCAPE BATHYSCAPES BATHYSCAPH BATHYSCAPHE BATHYSCAPHES
BATHYSCAPHS BATHYSPHERE BATHYSPHERES BAWDYHOUSE BAWDYHOUSES BEACHBOY
BEACHBOYS BEACHY BEAMISHLY BEARISHLY BEAUTYBUSH BEAUTYBUSHES
BEHAVIORALLY BEHAVIOURALLY BELLYACHE BELLYACHED BELLYACHER BELLYACHERS
BELLYACHES BELLYACHING BELLYACHINGS BENZALDEHYDE BENZALDEHYDES
BIBLIOGRAPHY BIBLIOTHECARY BIBLIOTHERAPY BIGHEADEDLY BIGHEARTEDLY
BIOARCHAEOLOGY BIOCHEMICALLY BIOGEOGRAPHY BIOGRAPHICALLY BIOGRAPHY
BIOMECHANICALLY BIOPHYSICAL BIOPHYSICALLY BIORHYTHMICALLY BIOSTRATIGRAPHY
BIRTHDAY BIRTHDAYS BLACKISHLY BLAMEWORTHY BLASHY BLASPHEMOUSLY
BLASPHEMY BLASTOCHYLE BLASTOCHYLES BLEACHERY BLEPHAROPLASTY BLOCKHEADEDLY
BOARISHLY BODYSHAPER BODYSHAPERS BODYSNATCHER BODYSNATCHERS BODYWASH
BODYWASHES BOTHYMAN BRACHYAXES BRACHYAXIS BRACHYCEPHAL BRACHYCEPHALIC
BRACHYCEPHALICS BRACHYCEPHALIES BRACHYCEPHALISM BRACHYCEPHALOUS
BRACHYCEPHALS BRACHYCEPHALY BRACHYCEROUS BRACHYDACTYL BRACHYDACTYLIC
BRACHYDACTYLIES BRACHYDACTYLISM BRACHYDACTYLOUS BRACHYDACTYLY
BRACHYDIAGONAL BRACHYDIAGONALS BRACHYDOME BRACHYDOMES BRACHYGRAPHIES
BRACHYGRAPHY BRACHYLOGIES BRACHYLOGOUS BRACHYLOGY BRACHYODONT
BRACHYPINAKOID BRACHYPINAKOIDS BRACHYPRISM BRACHYPRISMS BRACHYPTERISM
BRACHYPTERISMS BRACHYPTEROUS BRACHYTHERAPIES BRACHYTHERAPY BRACHYURAL
BRACHYURAN BRACHYURANS BRACHYUROUS BRANCHERY BRANCHY BRASHLY
BRASHY BREADTHWAYS BREATHABILITY BREATHALYSE BREATHALYSED BREATHALYSER
BREATHALYSERS BREATHALYSES BREATHALYSING BREATHALYZE BREATHALYZED
BREATHALYZER BREATHALYZERS BREATHALYZES BREATHALYZING BREATHILY
BREATHLESSLY BREATHTAKINGLY BREATHY BROKENHEARTEDLY BRONCHIALLY
BRONCHOGRAPHY BRUSHABILITY BULLHEADEDLY BUSHBABY BUTYRALDEHYDE
BUTYRALDEHYDES BYCATCH BYCATCHES BYPATH BYPATHS CARBOHYDRASE
CARBOHYDRASES CARBOHYDRATE CARBOHYDRATES CHALYBEAN CHALYBEATE
CHALYBEATES CHALYBITE CHALYBITES CHAMBRAY CHAMBRAYS CHANGEABILITY
CHANGEABLY CHARGEABILITY CHARGEABLY CHARITABLY CHERUBICALLY CHICKABIDDY
CHIMNEYBOARD CHIMNEYBOARDS CHIMNEYBREAST CHIMNEYBREASTS CHINABERRY
CHRYSAROBIN CHRYSAROBINS COPYRIGHTABLE CRUSHABILITY CYBERATHLETE
CYBERATHLETES CYBERATHLETICS CYBERCHONDRIA CYBERCHONDRIAC CYBERCHONDRIACS
CYBERCHONDRIAS CYBERPHOBIA CYBERPHOBIAS CYNOPHOBIA CYNOPHOBIAS
DAHABEEYAH DAHABEEYAHS DAHABIYA DAHABIYAH DAHABIYAHS DAHABIYAS
DAHABIYEH DAHABIYEHS DEBAUCHEDLY DEBAUCHERY DECIPHERABILITY DETACHABILITY
DETACHABLY DISHONORABLY DISHONOURABLY DISTINGUISHABLY DITHYRAMB
DITHYRAMBIC DITHYRAMBICALLY DITHYRAMBIST DITHYRAMBISTS DITHYRAMBS
DYSMORPHOPHOBIA ERYTHORBATE ERYTHORBATES ERYTHROBLAST ERYTHROBLASTIC
ERYTHROBLASTS ERYTHROPHOBIA ERYTHROPHOBIAS ETHNOBOTANY EURYBATH
EURYBATHIC EURYBATHS EXCHANGEABILITY EXCHANGEABLY EXHAUSTIBILITY
EYEBATH EYEBATHS FASHIONABILITY FASHIONABLY FISHABILITY FISHYBACK
FISHYBACKS GALABIYAH GALABIYAHS GALLABIYAH GALLABIYAHS GALLABIYEH
GALLABIYEHS GYNOPHOBIA GYNOPHOBIAS HABERDASHERY HABILATORY HABITABILITY
HABITABLY HABITUALLY HACKBERRY HAGBERRY HAIRYBACK HAIRYBACKS
HANGABILITY HARDBODY HATCHABILITY HAUTBOY HAUTBOYS HAYBAND HAYBANDS
HAYBOX HAYBOXES HEARTBREAKINGLY HEARTBROKENLY HEATHBERRY HEBDOMADALLY
HEBDOMADARY HENDECASYLLABIC HENDECASYLLABLE HEPTASYLLABIC HERBACEOUSLY
HERBARY HERBICIDALLY HEREDITABILITY HEREDITABLY HERITABILITY
HERITABLY HETEROBLASTY HOBDAY HOBDAYED HOBDAYING HOBDAYS HOLOBLASTICALLY
HOMOBLASTY HONORABILITY HONORABLY HONOURABILITY HONOURABLY HOSPITABLY
HUBRISTICALLY HUSBANDLY HUSBANDRY HUSHABY HUSHABYE HUSHABYING
HYBRIDISABLE HYBRIDISATION HYBRIDISATIONS HYBRIDIZABLE HYBRIDIZATION
HYBRIDIZATIONS HYBRIDOMA HYBRIDOMAS HYBRIDOMATA HYDROBIOLOGICAL
HYDROCARBON HYDROCARBONS HYDROLYSABLE HYDROLYZABLE HYDROPHOBIA
HYDROPHOBIAS HYDROXYBUTYRATE HYLOBATE HYLOBATES HYPABYSSAL HYPABYSSALLY
HYPERBARIC HYPERBARICALLY HYPERBATIC HYPERBATICALLY HYPERBATON
HYPERBATONS HYPERBOLA HYPERBOLAE HYPERBOLAEON HYPERBOLAEONS HYPERBOLAS
HYPERBOLICAL HYPERBOLICALLY HYPERBOLOIDAL HYPERBOREAN HYPERBOREANS
HYPERCARBIA HYPERCARBIAS HYPERCATABOLIC HYPERCATABOLISM HYPERCOAGULABLE
HYPEREXCITABLE HYPERIRRITABLE HYPERMETABOLIC HYPERMETABOLISM
HYPERMUTABILITY HYPERMUTABLE HYPERURBANISM HYPERURBANISMS HYPERVARIABLE
HYPNOPHOBIA HYPNOPHOBIAS HYPNOTISABILITY HYPNOTISABLE HYPNOTIZABILITY
HYPNOTIZABLE HYPOBARIC HYPOBLAST HYPOBLASTIC HYPOBLASTS HYPSOPHOBIA
HYPSOPHOBIAS IMPEACHABILITY IMPERISHABILITY IMPERISHABLY INAPPROACHABLY
INDECIPHERABLY INEXHAUSTIBLY INHABITABILITY INHABITANCY INHERITABILITY
INHERITABLY INHOSPITABLY INTERCHANGEABLY IRREPROACHABLY JAMBIYAH
JAMBIYAHS LABYRINTH LABYRINTHAL LABYRINTHIAN LABYRINTHIC LABYRINTHICAL
LABYRINTHICALLY LABYRINTHINE LABYRINTHITIS LABYRINTHITISES LABYRINTHODONT
LABYRINTHODONTS LABYRINTHS LAUGHABLY LEACHABILITY LYMPHOBLAST
LYMPHOBLASTIC LYMPHOBLASTS MACHINABILITY MACHINEABILITY MARSHBERRY
MAYBUSH MAYBUSHES MERCHANTABILITY MOUCHARABY MYSOPHOBIA MYSOPHOBIAS
NONCARBOHYDRATE NYCTOPHOBIA NYCTOPHOBIAS OXYHAEMOGLOBIN OXYHAEMOGLOBINS
OXYPHENBUTAZONE PATHOBIOLOGY PERISHABILITY PERISHABLY PHENYLBUTAZONE
PHENYLBUTAZONES PHLEBOGRAPHY PHOTOLYSABLE PHOTOLYZABLE POLYPHLOESBOEAN
PROHIBITIONARY PSYCHOBABBLE PSYCHOBABBLED PSYCHOBABBLER PSYCHOBABBLERS
PSYCHOBABBLES PSYCHOBABBLING PSYCHOBIOGRAPHY PUNISHABILITY PURCHASABILITY
PYROPHOBIA PYROPHOBIAS REHYDRATABLE REPROACHABLY RHABDOMANCY
RHABDOMYOLYSES RHABDOMYOLYSIS RHABDOMYOMA RHABDOMYOMAS RHABDOMYOMATA
RHUBARBY RIGHTABLY RUBYTHROAT RUBYTHROATS SEARCHABILITY SHABBILY
SHABBY SHADBERRY SHAMABLY SHAMBLY SHAMBOLICALLY SHAMEABLY SHAREABILITY
SHOCKABILITY SKETCHABILITY SNOBOGRAPHY STREPHOSYMBOLIA STRETCHABILITY
SUBAHDARY SUBLETHALLY SUBPHYLA SUBPHYLAR SYBARITISH SYLLABOGRAPHIES
SYLLABOGRAPHY SYMBOLOGRAPHIES SYMBOLOGRAPHY SYMMETROPHOBIA SYMMETROPHOBIAS
SYPHILOPHOBIA SYPHILOPHOBIAS TABBYHOOD TABBYHOODS TEACHABILITY
TEACHABLY THERMOLABILITY THERMOSTABILITY THINGAMYBOB THINGAMYBOBS
THINKABLY TOUCHABLY TURBOMACHINERY UNABASHEDLY UNAPPROACHABLY
UNBIRTHDAY UNBIRTHDAYS UNCHALLENGEABLY UNCHANGEABILITY UNCHANGEABLY
UNCHARITABLY UNCOPYRIGHTABLE UNDECIPHERABLY UNFASHIONABLY UNFATHOMABLY
UNIMPEACHABLY UNMATCHABLY UNPUNISHABLY UNQUENCHABLY UNREACHABLY
UNSEARCHABLY UNSHAKABLY UNSHAKEABLY UNTHINKABILITY UNTHINKABLY
UNTOUCHABILITY VASOINHIBITORY WASHABILITY WEATHERABILITY WEBLIOGRAPHY
WHATABOUTERY XENOPHOBICALLY YARBOROUGH YARBOROUGHS ZYGOBRANCH
ZYGOBRANCHIATE ZYGOBRANCHIATES ZYGOBRANCHS