There are 875 words containing A, 2D and H, https://www.bestwordlist.com/c/a/4/wordswithaddh.htm
ACETALDEHYDE ACETALDEHYDES ACIDHEAD ACIDHEADS ADHERED ADHEREND
ADHERENDS ADHIBITED ADMONISHED ADULTHOOD ADULTHOODS AIRHEADED
ALDEHYDE ALDEHYDES ALDEHYDIC AMPHIDIPLOID AMPHIDIPLOIDIES AMPHIDIPLOIDS
AMPHIDIPLOIDY ANHYDRIDE ANHYDRIDES APHIDICIDE APHIDICIDES APPREHENDED
ARCHDRUID ARCHDRUIDS ARCHDUKEDOM ARCHDUKEDOMS ATHODYD ATHODYDS
AUTOSCHEDIAZED AZIDOTHYMIDINE AZIDOTHYMIDINES BACKHANDED BACKHANDEDLY
BACKHANDEDNESS BADDISH BADMOUTHED BALDERDASH BALDERDASHES BALDHEAD
BALDHEADED BALDHEADS BANDWIDTH BANDWIDTHS BAREHANDED BAREHEADED
BEADLEHOOD BEADLEHOODS BEDASHED BEDHEAD BEDHEADS BEETLEHEADED
BEHEADED BEHINDHAND BENZALDEHYDE BENZALDEHYDES BESHADOWED BIGHEADED
BIGHEADEDLY BIGHEADEDNESS BIGHEADEDNESSES BIRDWATCHED BLACKHEADED
BLANDISHED BLOCKHEADED BLOCKHEADEDLY BLOCKHEADEDNESS BODDHISATTVA
BODDHISATTVAS BONEHEADED BONEHEADEDNESS BRANDISHED BREADHEAD
BREADHEADS BRIDGEHEAD BRIDGEHEADS BUBBLEHEADED BUDDHA BUDDHAS
BULKHEADED BULLHEADED BULLHEADEDLY BULLHEADEDNESS BUTYRALDEHYDE
BUTYRALDEHYDES CADDISH CADDISHLY CADDISHNESS CADDISHNESSES CANDIDATESHIP
CANDIDATESHIPS CANDLEHOLDER CANDLEHOLDERS CANDLELIGHTED CARDHOLDER
CARDHOLDERS CHADDAR CHADDARS CHADDOR CHADDORS CHANDELIERED CHANDELLED
CHAUDFROID CHAUDFROIDS CHEDDAR CHEDDARIER CHEDDARIEST CHEDDARS
CHEDDARY CHICKABIDDIES CHICKABIDDY CHLAMYDOMONADES CHLORIDATED
CHORDAMESODERM CHORDAMESODERMS CHOWDERHEAD CHOWDERHEADED CHOWDERHEADS
CHUCKLEHEADED CHUDDAH CHUDDAHS CHUDDAR CHUDDARS CLADDAGH CLADDAGHS
CLEANHANDED CLEARHEADED CLEARHEADEDLY CLEARHEADEDNESS COHEADED
COLDHEARTED COLDHEARTEDLY COLDHEARTEDNESS COOLHEADED CROTONALDEHYDE
CROTONALDEHYDES CYNGHANEDD CYNGHANEDDS DACHSHUND DACHSHUNDS DADAH
DADAHS DADCHELOR DALEDH DALEDHS DAMEHOOD DAMEHOODS DANDYISH DANDYISHLY
DAPHNID DAPHNIDS DASHBOARD DASHBOARDS DASHED DAUGHTERBOARD DAUGHTERBOARDS
DAUGHTERHOOD DAUGHTERHOODS DAYCHED DAYLIGHTED DEACONHOOD DEACONHOODS
DEADHEAD DEADHEADED DEADHEADING DEADHEADS DEADHOUSE DEADHOUSES
DEADLIGHT DEADLIGHTS DEADWEIGHT DEADWEIGHTS DEASHED DEATHBED
DEATHBEDS DEATHWARD DEATHWARDS DEBAUCHED DEBAUCHEDLY DEBAUCHEDNESS
DEBAUCHEDNESSES DECACHORD DECACHORDS DECAHEDRA DECAHEDRAL DECAHEDRON
DECAHEDRONS DECAHYDRATE DECAHYDRATES DECHLORINATED DECHRISTIANISED
DECHRISTIANIZED DECKHAND DECKHANDS DEGARNISHED DEHAIRED DEHUMANISED
DEHUMANIZED DEHYDRATE DEHYDRATED DEHYDRATER DEHYDRATERS DEHYDRATES
DEHYDRATING DEHYDRATION DEHYDRATIONS DEHYDRATOR DEHYDRATORS DEHYDROGENASE
DEHYDROGENASES DEHYDROGENATE DEHYDROGENATED DEHYDROGENATES DEHYDROGENATING
DEHYDROGENATION DEMETHYLATED DENDRACHATE DENDRACHATES DEPHLEGMATED
DESPATCHED DESULPHURATED DETACHED DETACHEDLY DETACHEDNESS DETACHEDNESSES
DETHATCHED DIADELPHOUS DIADOCHI DIADOCHIES DIADOCHY DIAPHRAGMED
DIARTHRODIAL DICHLAMYDEOUS DICHONDRA DICHONDRAS DICKHEAD DICKHEADS
DIDELPHIAN DIDRACHM DIDRACHMA DIDRACHMAS DIDRACHMS DIEHARD DIEHARDS
DIETHYLAMIDE DIETHYLAMIDES DIHEDRA DIHEDRAL DIHEDRALS DIMENHYDRINATE
DIMENHYDRINATES DIPHENHYDRAMINE DISACCHARID DISACCHARIDASE DISACCHARIDASES
DISACCHARIDE DISACCHARIDES DISACCHARIDS DISANCHORED DISAUTHORISED
DISAUTHORIZED DISAVOUCHED DISBRANCHED DISCHARGED DISENCHAINED
DISENCHANTED DISENFRANCHISED DISENTHRALLED DISESTABLISHED DISFRANCHISED
DISGARNISHED DISHABILITATED DISHABITED DISHABLED DISHALLOWED
DISHARMONISED DISHARMONIZED DISHDASH DISHDASHA DISHDASHAS DISHDASHES
DISHEARTENED DISHOARD DISHOARDED DISHOARDING DISHOARDS DISINTHRALLED
DISPATCHED DISSHEATHED DOCKHAND DOCKHANDS DODECAHEDRA DODECAHEDRAL
DODECAHEDRON DODECAHEDRONS DODECAPHONIC DODECAPHONIES DODECAPHONISM
DODECAPHONISMS DODECAPHONIST DODECAPHONISTS DODECAPHONY DOGHANGED
DOODAH DOODAHS DOOMWATCHED DOPEHEAD DOPEHEADS DOUBLEHANDED DOUBLEHEADER
DOUBLEHEADERS DOUGHFACED DOWNDRAUGHT DOWNDRAUGHTS DOWNHEARTED
DOWNHEARTEDLY DOWNHEARTEDNESS DRAGHOUND DRAGHOUNDS DRAGONHEAD
DRAGONHEADS DRAUGHTBOARD DRAUGHTBOARDS DRAUGHTED DRAUGHTPROOFED
DREADNAUGHT DREADNAUGHTS DREADNOUGHT DREADNOUGHTS DREARIHEAD
DREARIHEADS DREARIHOOD DREARIHOODS DRERIHEAD DRERIHEADS DROPHEAD
DROPHEADS DROWSIHEAD DROWSIHEADS DRUMHEAD DRUMHEADS DUMBHEAD
DUMBHEADS DUMMELHEAD DUMMELHEADS DUNDERHEAD DUNDERHEADED DUNDERHEADISM
DUNDERHEADISMS DUNDERHEADS EGGHEADED EGGHEADEDNESS EGGHEADEDNESSES
ENDOCHONDRAL EVENHANDED EVENHANDEDLY EVENHANDEDNESS EXHEREDATED
FADDISH FADDISHLY FADDISHNESS FADDISHNESSES FATHEADED FATHEADEDLY
FATHEADEDNESS FATHEADEDNESSES FEATHERBEDDED FEATHERBEDDING FEATHERBEDDINGS
FEATHEREDGED FEATHERHEADED FELDSPATHOID FELDSPATHOIDS FIDDLEHEAD
FIDDLEHEADS FOREHANDED FOREHANDEDLY FOREHANDEDNESS FORESHADOWED
FORMALDEHYDE FORMALDEHYDES FREEHANDED FREEHANDEDLY FREEHANDEDNESS
FURALDEHYDE FURALDEHYDES FURFURALDEHYDE FURFURALDEHYDES GLASSYHEADED
GLUTARALDEHYDE GLUTARALDEHYDES GLYCERALDEHYDE GLYCERALDEHYDES
GODDAUGHTER GODDAUGHTERS GODFATHERED GODHEAD GODHEADS GOLDTHREAD
GOLDTHREADS GOODLIHEAD GOODLIHEADS GOODLYHEAD GOODLYHEADS GRANDCHILD
GRANDCHILDREN GRANDDAUGHTER GRANDDAUGHTERS GRANDFATHERED GRANDPARENTHOOD
GRAYHEADED GREEDHEAD GREEDHEADS GREYHEADED GROUNDSHARED HACENDADO
HACENDADOS HACIENDADO HACIENDADOS HADDEN HADDEST HADDIE HADDIES
HADDING HADDOCK HADDOCKS HADED HADEDAH HADEDAHS HAGRIDDEN HAMADRYAD
HAMADRYADES HAMADRYADS HAMMERHEADED HANDBAGGED HANDBALLED HANDBREADTH
HANDBREADTHS HANDCRAFTED HANDCUFFED HANDED HANDEDNESS HANDEDNESSES
HANDFASTED HANDFED HANDFEED HANDFEEDING HANDFEEDS HANDHELD HANDHELDS
HANDHOLD HANDHOLDS HANDICAPPED HANDLED HANDMADE HANDMAID HANDMAIDEN
HANDMAIDENS HANDMAIDS HANDPASSED HANDPICKED HANDSBREADTH HANDSBREADTHS
HANDSELED HANDSELLED HANDSTAMPED HANDSTAND HANDSTANDS HANDWORKED
HANSARDISED HANSARDIZED HARDBACKED HARDBOARD HARDBOARDS HARDBODIES
HARDBODY HARDBOUND HARDBOUNDS HARDEDGE HARDEDGES HARDENED HARDFISTED
HARDGOODS HARDHANDED HARDHANDEDNESS HARDHEAD HARDHEADED HARDHEADEDLY
HARDHEADEDNESS HARDHEADS HARDHEARTED HARDHEARTEDLY HARDHEARTEDNESS
HARDIHEAD HARDIHEADS HARDIHOOD HARDIHOODS HARDMOUTHED HARDNOSED
HARDSTAND HARDSTANDING HARDSTANDINGS HARDSTANDS HARDWIRED HARDWOOD
HARDWOODS HAZARDED HEADBAND HEADBANDS HEADBANGED HEADBOARD HEADBOARDS
HEADDRESS HEADDRESSES HEADED HEADEND HEADENDS HEADGUARD HEADGUARDS
HEADHUNTED HEADLAND HEADLANDS HEADLINED HEADPOND HEADPONDS HEADQUARTERED
HEADREACHED HEADSTAND HEADSTANDS HEADWARD HEADWARDS HEADWIND
HEADWINDS HEADWORD HEADWORDS HEALDED HEBDOMAD HEBDOMADAL HEBDOMADALLY
HEBDOMADAR HEBDOMADARIES HEBDOMADARS HEBDOMADARY HEBDOMADER HEBDOMADERS
HEBDOMADS HEDERATED HEMIHYDRATED HENDECAHEDRA HENDECAHEDRON HENDECAHEDRONS
HENDIADYS HENDIADYSES HERALDED HERMANDAD HERMANDADS HEXAHYDRATED
HINDCASTED HINDERLAND HINDERLANDS HINDHEAD HINDHEADS HINDWARD
HISPANIDAD HISPANIDADS HOARDED HOBDAYED HODAD HODADDIES HODADDY
HODADS HODMANDOD HODMANDODS HOLIDAYED HOMESTEADED HOTHEADED HOTHEADEDLY
HOTHEADEDNESS HOTHEADEDNESSES HUSBANDED HUSBANDLAND HUSBANDLANDS
HYDATHODE HYDATHODES HYDATID HYDATIDIFORM HYDATIDS HYDATOID HYDRACID
HYDRACIDS HYDRATED HYDRAULICKED HYDRAZIDE HYDRAZIDES HYDROCEPHALOID
HYDROCOLLOIDAL HYDROCRACKED HYDRODYNAMIC HYDRODYNAMICAL HYDRODYNAMICIST
HYDRODYNAMICS HYDROGENATED HYDROMEDUSA HYDROMEDUSAE HYDROMEDUSAN
HYDROMEDUSANS HYDROMEDUSAS HYDROPLANED HYDROXYLATED INTERDASHED
INVALIDHOOD INVALIDHOODS IRONHANDED KADDISH KADDISHES KADDISHIM
KEDDAH KEDDAHS KHADDAR KHADDARS KINDHEARTED KINDHEARTEDLY KINDHEARTEDNESS
KNOTHEADED KNUCKLEHEADED LADDISH LADDISHLY LADDISHNESS LADDISHNESSES
LADHOOD LADHOODS LADYHOOD LADYHOODS LANDHOLDER LANDHOLDERS LANDHOLDING
LANDHOLDINGS LEVELHEADED LEVELHEADEDNESS LOGGERHEADED LONGHEADED
LONGHEADEDNESS LUNKHEADED MADDISH MAIDENHEAD MAIDENHEADS MAIDENHOOD
MAIDENHOODS MAIDHOOD MAIDHOODS MANHANDLED MASTHEADED MERCHANDISED
MERCHANDIZED METALDEHYDE METALDEHYDES MISAPPREHENDED MISHANDLED
MITHRIDATISED MITHRIDATIZED MONOHYDRATED MUDDLEHEAD MUDDLEHEADED
MUDDLEHEADEDLY MUDDLEHEADS MUJAHEDDIN MULTIHEADED MUTTONHEADED
NEANDERTHALOID OFFHANDED OFFHANDEDLY OFFHANDEDNESS OFFHANDEDNESSES
OPENHANDED OPENHANDEDLY OPENHANDEDNESS OUTHANDLED OVERHANDED
OVERHANDLED OVERSHADED OVERSHADOWED PADDLEFISH PADDLEFISHES PADDYWHACK
PADDYWHACKS PANHANDLED PARALDEHYDE PARALDEHYDES PEBBLEDASHED
PHILANDERED PHILODENDRA PHOTODEGRADABLE PHOTODUPLICATED PIGHEADED
PIGHEADEDLY PIGHEADEDNESS PIGHEADEDNESSES PINHEADED PINHEADEDNESS
PINHEADEDNESSES PREADMONISHED PREADULTHOOD PREADULTHOODS PREHANDLED
PREHARDENED PROUDHEARTED PUMPHANDLED PURDAHED PUZZLEHEADED RADIOGRAPHED
RADIOTELEPHONED RAWHIDED REDHANDED REDHEAD REDHEADED REDHEADS
REHANDLED REHARDENED REHYDRATED RETHREADED RHABDOID RHABDOIDS
RHAPSODISED RHAPSODIZED RHODANISED RHODANIZED RHODODAPHNE RHODODAPHNES
RHODODENDRA RHODOMONTADE RHODOMONTADED RHODOMONTADES RHODOMONTADING
ROADHEADER ROADHEADERS ROADHOLDING ROADHOLDINGS ROUNDARCHED ROUNDHAND
ROUNDHANDS ROUNDHEADED ROUNDHEADEDNESS RUDDERHEAD RUDDERHEADS
SADDHU SADDHUS SADDISH SADDLECLOTH SADDLECLOTHS SANDWICHED SAPHEADED
SCALDHEAD SCALDHEADS SCHADENFREUDE SCHADENFREUDES SCRIMSHANDERED
SCRIMSHANDIED SECONDHAND SEEDHEAD SEEDHEADS SEMIDETACHED SEMIDETACHEDS
SHADDOCK SHADDOCKS SHADDUP SHADED SHADOWBOXED SHADOWCASTED SHADOWED
SHADOWLAND SHADOWLANDS SHANDRYDAN SHANDRYDANS SHARDED SHEDDABLE
SHEDHAND SHEDHANDS SHEDLOAD SHEDLOADS SHERARDISED SHERARDIZED
SHITHEADED SHOCKHEADED SHORTHANDED SHRADDHA SHRADDHAS SIDDHA
SIDDHAS SLAPDASHED SLEDGEHAMMERED SLEEPYHEADED SOFTHEADED SOFTHEADEDLY
SOFTHEADEDNESS SOREHEADED SOREHEADEDLY SOREHEADEDNESS SPEARHEADED
SRADDHA SRADDHAS STADHOLDER STADHOLDERATE STADHOLDERATES STADHOLDERS
STADHOLDERSHIP STADHOLDERSHIPS STADTHOLDER STADTHOLDERATE STADTHOLDERATES
STADTHOLDERS STADTHOLDERSHIP STICKHANDLED STRAIGHTEDGED SUPERHARDENED
SWELLHEADED SWELLHEADEDNESS TENDERHEARTED TENDERHEARTEDLY THALIDOMIDE
THALIDOMIDES THICKHEADED THICKHEADEDNESS THIRDHAND THOUSANDFOLD
THOUSANDFOLDS THREADED THUNDERHEAD THUNDERHEADS TOWHEADED TRIHYDRATED
UNADMONISHED UNAPPREHENDED UNDASHED UNDEBAUCHED UNDERACHIEVED
UNDERCHARGED UNDEREMPHASISED UNDEREMPHASIZED UNDERHAND UNDERHANDED
UNDERHANDEDLY UNDERHANDEDNESS UNDERHANDING UNDERHANDS UNDERHEATED
UNDESPATCHED UNDISCHARGED UNDISPATCHED UNHANDED UNHANDLED UNHANDSELLED
UNHARDENED UNHAZARDED UNHEADED UNHERALDED UNHOARDED UNHUSBANDED
UNSHADED UNSHADOWED UNTHREADED UPHOARDED VERANDAHED WATCHDOGGED
WEATHERBOARDED WEEDHEAD WEEDHEADS WHISKERANDOED WIDECHAPPED WOODENHEAD
WOODENHEADED WOODENHEADS WRONGHEADED WRONGHEADEDLY WRONGHEADEDNESS