use '?' for JOKER (blank)

From letters K, I, N, D, H, E, A, R, T, E, D, N, E, S, S  I made following words

15 letter words

kindheartedness[24]

12 letter words

disheartened[17]

11 letter words

kindhearted[20], disheartens[15], threadiness[15], desiderates[13]

10 letter words

handedness[15], hiddenness[15], asterisked[15], dishearten[14], enshrinees[13], earthiness[13], heartiness[13], desiderate[12], darnedests[12], distenders[12], tenderness[11], trendiness[11], entireness[10]

9 letter words

kaddishes[18], hearkened[17], dakerhens[17], skinheads[17], redshanks[17], shikarees[16], adherends[14], sneakered[14], nakedness[14], headdress[14], deerskins[14], inkstands[14], stinkards[14], enshrined[13], headiness[13], handiness[13], harnessed[13], hardiness[13], heartened[13], herniated[13], inearthed[13], adherents[13], neatherds[13], antherids[13], tarnished[13], ankerites[13], diatheses[13], sneakiest[13], headrests[13], snarkiest[13], enshrinee[12], henneries[12], enshrines[12], herniates[12], asthenies[12], sheeniest[12], hasteners[12], tarnishes[12], deadeners[11], serenaded[11], addressee[11], detrained[11], destained[11], intendeds[11], darnedest[11], dendrites[11], distender[11], disseated[11], datedness[11], dissented[11], disserted[11], darndests[11], deaneries[10], neediness[10], diaereses[10], serenades[10], arsenides[10], nearsides[10], readiness[10], reediness[10], randiness[10], nerdiness[10], entrained[10], detainees[10], detainers[10], resinated[10], eternised[10], teredines[10], indenters[10], intenders[10], andesites[10], steadiers[10], tendresse[10], tardiness[10], dissenter[10], residents[10], tiredness[10], anserines[9], tanneries[9], internees[9], retinenes[9], antisense[9], insensate[9], arsenites[9], irateness[9], resinates[9], stearines[9], teariness[9], eternises[9], sneeriest[9], inertness[9]

8 letter words

dakerhen[16], hankered[16], harkened[16], skinhead[16], kashered[16], shrieked[16], redshank[16], shikaree[15], hearkens[15], daikered[14], darkened[14], kindreds[14], skidders[14], adherend[13], hardened[13], hindered[13], headends[13], redheads[13], diehards[13], kneaders[13], deerskin[13], dankness[13], kindness[13], shedders[13], darkness[13], redskins[13], threaded[13], dithered[13], haeredes[12], reshined[12], sneakier[12], dasheens[12], endashes[12], danishes[12], shandies[12], kneesies[12], keenness[12], airsheds[12], radishes[12], hardness[12], sneakers[12], rankness[12], skinners[12], reheated[12], adherent[12], neatherd[12], antherid[12], sheenier[11], enshrine[11], sheenies[11], shannies[11], heresies[11], reshines[11], deadener[10], endeared[10], redenied[10], sardined[10], diseased[10], deadness[10], detained[10], indented[10], intended[10], reedited[10], tendered[10], dendrite[10], adenines[9], serenade[9], arsenide[9], nearside[9], nereides[9], redenies[9], ensnared[9], insnared[9], aniseeds[9], diereses[9], dearness[9], aridness[9], sardines[9], direness[9], detainee[9], neatened[9], detainer[9], retained[9], anserine[8], eeriness[8], eserines[8], ensnares[8], nearness[8], rennases[8], insnares[8]