use '?' for JOKER (blank)

From letters F, E, A, T, H, E, R, B, E, D, D, I, N, G, S  I made following words

15 letter words

featherbeddings[26]

14 letter words

featherbedding[25]

13 letter words

breastfeeding[20]

12 letter words

disheartened[17]

11 letter words

featherbeds[20], bridgeheads[19], featherings[18], redefeating[16], nearsighted[16]

10 letter words

featherbed[19], bridgehead[18], freehanded[18], frightened[18], hardfisted[18], redshifted[18], farsighted[18], befriended[17], befingered[17], brandished[17], bighearted[17], brightened[17], feathering[17], threadfins[17], freebasing[16], hibernated[16], inbreathed[16], breastfeed[16], breathings[16], debearding[15], greenheads[15], feedgrains[15], garnisheed[15], federating[15], ingathered[15], benefiters[15], hibernates[15], inbreathes[15], gaberdines[14], besteading[14], refastened[14], bestridden[14], dishearten[14], redesigned[13], denigrated[13], designated[13], redigested[13], banistered[13], desiderate[12], denigrates[12]

9 letter words

bigheaded[17], bedighted[17], freighted[17], beheading[16], debriefed[16], befringed[16], birdfeeds[16], freshened[16], hangbirds[16], hangfires[16], benighted[16], feathered[16], threadfin[16], fathering[16], deathbeds[16], headfirst[16], gearshift[16], firsthand[16], farthings[16], frightens[16], hagridden[15], bedeafens[15], freebased[15], beheaders[15], hardedges[15], befriends[15], befingers[15], befringes[15], shredding[15], benefited[15], breathing[15], breastfed[15], brightens[15], greenhead[14], redefined[14], feedgrain[14], refeeding[14], defenders[14], adherends[14], abhenries[14], garnished[14], defeating[14], federated[14], engrafted[14], benefiter[14], ingrafted[14], hibernate[14], inbreathe[14], threading[14], thebaines[14], driftages[14], fidgeters[14], resighted[14], draftings[14], gaberdine[13], redefines[13], breedings[13], farseeing[13], garnishee[13], redbaited[13], bartended[13], heartened[13], herniated[13], inearthed[13], reheating[13], besteaded[13], eighteens[13], defeaters[13], federates[13], redefeats[13], absterged[13], figeaters[13], heritages[13], deferents[13], adherents[13], neatherds[13], festering[13], antherids[13], tarnished[13], ingathers[13], renegaded[12], deraigned[12], degreased[12], disagreed[12], degenders[12], teddering[12], fenestrae[12], interbeds[12], breasting[12], herniates[12], deadeners[11], serenaded[11], renegades[11], beaneries[11], gesneriad[11], energised[11], reseeding[11], generated[11], greatened[11], detrained[11], denigrate[11], gratineed[11], destained[11], designate[11], tragedies[11], greediest[11], darnedest[11], estranged[11], dendrites[11], distender[11], astringed[11], gradients[11], deserting[11], deaneries[10], detainees[10], generates[10], teenagers[10], detainers[10], resinated[10], eternised[10], teredines[10], agentries[10], gratinees[10], reseating[10], stingaree[10], greeniest[10]

8 letter words

beheaded[15], herbaged[15], birdfeed[15], bedeafen[14], defanged[14], beheader[14], hardedge[14], deafened[13], badgered[13], redefied[13], abridged[13], brigaded[13], begirded[13], defender[13], fendered[13], adherend[13], dangered[11], deranged[11], gandered[11], gardened[11], degender[11], gendered[11], deadener[10], endeared[10], renegade[10]