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