There are 613 words containing A, B, D and K, https://www.bestwordlist.com/c/a/4/wordswithabdk.htm
ABROOKED ACKNOWLEDGEABLE ACKNOWLEDGEABLY ADOBELIKE ADORKABLE
AEROBRAKED AUDIOBOOK AUDIOBOOKS BACKBAND BACKBANDS BACKBEND BACKBENDS
BACKBOARD BACKBOARDS BACKBOND BACKBONDS BACKBONED BACKBURNED
BACKCHATTED BACKCHECKED BACKCOMBED BACKCROSSED BACKDATE BACKDATED
BACKDATES BACKDATING BACKDOOR BACKDOWN BACKDOWNS BACKDRAFT BACKDRAFTS
BACKDRAUGHT BACKDRAUGHTS BACKDROP BACKDROPPED BACKDROPPING BACKDROPS
BACKDROPT BACKED BACKFIELD BACKFIELDS BACKFILLED BACKFIRED BACKFITTED
BACKFLIPPED BACKGAMMONED BACKGROUND BACKGROUNDED BACKGROUNDER
BACKGROUNDERS BACKGROUNDING BACKGROUNDS BACKHAND BACKHANDED BACKHANDEDLY
BACKHANDEDNESS BACKHANDER BACKHANDERS BACKHANDING BACKHANDS BACKHAULED
BACKHOED BACKLAND BACKLANDS BACKLASHED BACKLIGHTED BACKLISTED
BACKLOAD BACKLOADED BACKLOADING BACKLOADS BACKLOGGED BACKPACKED
BACKPADDLE BACKPADDLED BACKPADDLES BACKPADDLING BACKPEDAL BACKPEDALED
BACKPEDALING BACKPEDALLED BACKPEDALLING BACKPEDALS BACKSCATTERED
BACKSCRATCHED BACKSHEESHED BACKSHISHED BACKSIDE BACKSIDES BACKSLAPPED
BACKSLID BACKSLIDDEN BACKSLIDE BACKSLIDER BACKSLIDERS BACKSLIDES
BACKSLIDING BACKSLIDINGS BACKSPACED BACKSPEERED BACKSPEIRED BACKSTABBED
BACKSTALLED BACKSTAMPED BACKSTITCHED BACKSTOPPED BACKSTROKED
BACKSWORD BACKSWORDMAN BACKSWORDMEN BACKSWORDS BACKSWORDSMAN
BACKSWORDSMEN BACKTRACKED BACKVELD BACKVELDER BACKVELDERS BACKVELDS
BACKWARD BACKWARDATION BACKWARDATIONS BACKWARDLY BACKWARDNESS
BACKWARDNESSES BACKWARDS BACKWASHED BACKWIND BACKWINDED BACKWINDING
BACKWINDS BACKWOOD BACKWOODS BACKWOODSIER BACKWOODSIEST BACKWOODSMAN
BACKWOODSMEN BACKWOODSY BACKWORD BACKWORDS BACKYARD BACKYARDS
BADDERLOCK BADDERLOCKS BAIDARKA BAIDARKAS BAKEBOARD BAKEBOARDS
BAKED BAKHSHISHED BAKSHEESHED BAKSHISHED BALDERLOCKS BALDERLOCKSES
BALDRICK BALDRICKS BALKANISED BALKANIZED BALKED BALLHAWKED BALLOCKSED
BANDBRAKE BANDBRAKES BANDLIKE BANDOOK BANDOOKS BANKCARD BANKCARDS
BANKED BANKROLLED BANKRUPTED BANKSIDE BANKSIDES BAREBACKED BARKED
BARKENED BARRACKED BASKED BATIKED BAUDEKIN BAUDEKINS BAUDRICK
BAUDRICKE BAUDRICKES BAUDRICKS BAUKED BAULKED BAWDKIN BAWDKINS
BEADLIKE BEADWORK BEADWORKER BEADWORKERS BEADWORKS BEAKED BEARDLIKE
BECHALKED BECLOAKED BEDARKEN BEDARKENED BEDARKENING BEDARKENS
BEDMAKER BEDMAKERS BEKNAVED BENCHMARKED BERAKED BESTREAKED BETHANKED
BETHWACKED BIDARKA BIDARKAS BIDARKEE BIDARKEES BIOFEEDBACK BIOFEEDBACKS
BIVOUACKED BLACKBALLED BLACKBAND BLACKBANDS BLACKBERRIED BLACKBIRD
BLACKBIRDED BLACKBIRDER BLACKBIRDERS BLACKBIRDING BLACKBIRDINGS
BLACKBIRDS BLACKBOARD BLACKBOARDS BLACKBODIES BLACKBODY BLACKDAMP
BLACKDAMPS BLACKED BLACKENED BLACKFACED BLACKGUARD BLACKGUARDED
BLACKGUARDING BLACKGUARDISM BLACKGUARDISMS BLACKGUARDLIER BLACKGUARDLIEST
BLACKGUARDLY BLACKGUARDS BLACKHANDER BLACKHANDERS BLACKHEAD BLACKHEADED
BLACKHEADS BLACKJACKED BLACKLAND BLACKLANDS BLACKLEAD BLACKLEADED
BLACKLEADING BLACKLEADS BLACKLEGGED BLACKLISTED BLACKMAILED BLACKTOPPED
BLACKWASHED BLACKWOOD BLACKWOODS BLADDERLIKE BLADDERWRACK BLADDERWRACKS
BLADELIKE BLADEWORK BLADEWORKS BLANKED BLANKETED BLANKETWEED
BLANKETWEEDS BLINKARD BLINKARDS BLOCKADE BLOCKADED BLOCKADER
BLOCKADERS BLOCKADES BLOCKADING BLOCKBOARD BLOCKBOARDS BLOCKHEAD
BLOCKHEADED BLOCKHEADEDLY BLOCKHEADEDNESS BLOCKHEADS BOAKED BOARDLIKE
BOARDWALK BOARDWALKS BOOKLAND BOOKLANDS BOOKMARKED BOOKSTAND
BOOKSTANDS BRACHYPINAKOID BRACHYPINAKOIDS BRACKETED BRADYKINESIA
BRADYKINESIAS BRADYKININ BRADYKININS BRAKED BRANKED BREADBASKET
BREADBASKETS BREADKNIFE BREADKNIVES BREADLIKE BREADSTICK BREADSTICKS
BREAKDANCE BREAKDANCED BREAKDANCER BREAKDANCERS BREAKDANCES BREAKDANCING
BREAKDANCINGS BREAKDOWN BREAKDOWNS BREAKFASTED BRICKSHAPED BRICKYARD
BRICKYARDS BRIDECAKE BRIDECAKES BROKENHEARTED BROKENHEARTEDLY
BUCKBOARD BUCKBOARDS BUCKETLOAD BUCKETLOADS BUCKRAMED BULKHEAD
BULKHEADED BULKHEADS BULLWHACKED BULWARKED BUSHWALKED BUSHWHACKED
CHALKBOARD CHALKBOARDS CHALKBROOD CHALKBROODS CHECKERBOARD CHECKERBOARDS
CHICKABIDDIES CHICKABIDDY CODEBREAKER CODEBREAKERS CORKBOARD
CORKBOARDS COUNTERBLOCKADE CRACKBRAINED CROOKBACKED DABCHICK
DABCHICKS DATABANK DATABANKS DATEBOOK DATEBOOKS DAWBAKE DAWBAKES
DAYBOOK DAYBOOKS DAYBREAK DAYBREAKS DEALBREAKER DEALBREAKERS
DEBARK DEBARKATION DEBARKATIONS DEBARKED DEBARKER DEBARKERS DEBARKING
DEBARKS DEBEAK DEBEAKED DEBEAKING DEBEAKS DIAMONDBACK DIAMONDBACKS
DIEBACK DIEBACKS DISBARK DISBARKED DISBARKING DISBARKS DISEMBARK
DISEMBARKATION DISEMBARKATIONS DISEMBARKED DISEMBARKING DISEMBARKMENT
DISEMBARKMENTS DISEMBARKS DISLIKABLE DISLIKEABLE DOUBLESPEAK
DOUBLESPEAKER DOUBLESPEAKERS DOUBLESPEAKS DRAWBACK DRAWBACKS
DRINKABILITIES DRINKABILITY DRINKABLE DRINKABLENESS DRINKABLENESSES
DRINKABLES DRINKABLY DUCKBOARD DUCKBOARDS EMBANKED EMBARKED FABRICKED
FACEBOOKED FEEDBACK FEEDBACKS FIDDLEBACK FIDDLEBACKS FLASHBACKED
FOLDBACK FOLDBACKS FOODBANK FOODBANKS GOBSMACKED GROUNDBREAKER
GROUNDBREAKERS GROUNDBREAKING GROUNDBREAKINGS GRUBSTAKED HANDBASKET
HANDBASKETS HANDBOOK HANDBOOKS HANDBRAKE HANDBRAKES HARDBACK
HARDBACKED HARDBACKS HARDBAKE HARDBAKES HAWKSBEARD HAWKSBEARDS
HOLDBACK HOLDBACKS HUMPBACKED HUNCHBACKED HUSBANDLIKE IMBARKED
JACKBOOTED JAMBOKKED KABABBED KABADDI KABADDIS KABOBBED KABOODLE
KABOODLES KEBABBED KEYBOARD KEYBOARDED KEYBOARDER KEYBOARDERS
KEYBOARDING KEYBOARDINGS KEYBOARDIST KEYBOARDISTS KEYBOARDS KICKBOARD
KICKBOARDS KILOBAUD KILOBAUDS KITEBOARD KITEBOARDING KITEBOARDINGS
KITEBOARDS KNEADABLE KNEEBOARD KNEEBOARDED KNEEBOARDING KNEEBOARDS
KNOBHEAD KNOBHEADS KNOWLEDGABILITY KNOWLEDGABLE KNOWLEDGABLY
KNOWLEDGEABLE KNOWLEDGEABLY KOURBASHED KURBASHED LADDERBACK LADDERBACKS
LAKEBED LAKEBEDS LAMPBLACKED LAYBACKED MIDDLEBREAKER MIDDLEBREAKERS
MOSSBACKED MOUNTEBANKED MUDBANK MUDBANKS NECKBAND NECKBANDS NEUROFEEDBACK
NEUROFEEDBACKS OUTBAKED OUTBARKED OVERBAKED OVERBRAKED PACKBOARD
PACKBOARDS PAPERBACKED PARBAKED PARBREAKED PARBUCKLED PICKABACKED
PICKBACKED PIGGYBACKED PREBAKED QUARTERBACKED REBACKED REDBACK
REDBACKS REEMBARKED REKEYBOARD REKEYBOARDED REKEYBOARDING REKEYBOARDS
RIDGEBACK RIDGEBACKS RINGBARKED ROADBLOCK ROADBLOCKED ROADBLOCKING
ROADBLOCKS RUDBECKIA RUDBECKIAS SADDLEBACK SADDLEBACKED SADDLEBACKS
SANDBANK SANDBANKS SCRAPBOOKED SJAMBOKED SJAMBOKKED SKATEBOARD
SKATEBOARDED SKATEBOARDER SKATEBOARDERS SKATEBOARDING SKATEBOARDINGS
SKATEBOARDS SKEWBACKED SKEWBALD SKEWBALDS SKIMBOARD SKIMBOARDED
SKIMBOARDER SKIMBOARDERS SKIMBOARDING SKIMBOARDS SKYBOARD SKYBOARDS
SMOKEBOARD SMOKEBOARDS SNAKEBIRD SNAKEBIRDS STICKYBEAKED STRADDLEBACK
SUNBAKED SWASHBUCKLED SWAYBACKED SWITCHBACKED TACKBOARD TACKBOARDS
THUMBTACKED TRACKBED TRACKBEDS UNBACKED UNBAKED UNBANKED UNBARKED
UNBRACKETED UNBRAKED UNDERBAKE UNDERBAKED UNDERBAKES UNDERBAKING
UNDERBLANKET UNDERBLANKETS UNDERTAKABLE UNDRINKABLE UNDRINKABLES
UNKNOWLEDGEABLE WAKEBOARD WAKEBOARDED WAKEBOARDER WAKEBOARDERS
WAKEBOARDING WAKEBOARDINGS WAKEBOARDS WINDBREAK WINDBREAKER WINDBREAKERS
WINDBREAKS WORDBREAK WORDBREAKS