use '?' for JOKER (blank)

From letters G, R, O, T, E, S, Q, U, E, N, E, S, S  I made following words

13 letter words

grotesqueness[22]

10 letter words

grotesques[19], sequesters[18], truenesses[10]

9 letter words

grotesque[18], queerness[17], sequester[17], torqueses[17], engrosses[10], estrogens[10], songsters[10], sturgeons[10], terseness[9], oestruses[9]

8 letter words

queerest[16], sequents[16], questers[16], requests[16], questors[16], egresses[9], ogresses[9], greenest[9], estrogen[9], songster[9], grossest[9], generous[9], surgeons[9], guessers[9], sturgeon[9], gestures[9], soreness[8], serenest[8], estrones[8], stenoses[8], enureses[8], neuroses[8], sureness[8], sourness[8], trueness[8], tonsures[8], estruses[8], unstress[8], tussores[8]

7 letter words

sequent[15], quester[15], request[15], questor[15], quoters[15], roquets[15], torques[15], reneges[8], geneses[8], engross[8], gessoes[8], grosses[8], gerents[8], regents[8], tongers[8], surgeon[8], genuses[8], neguses[8], guesser[8], grouses[8], guesses[8], tongues[8], gesture[8], gurnets[8], gustoes[8], gussets[8], serenes[7], senores[7], seeress[7], sensors[7], entrees[7], retenes[7], teeners[7], estrone[7], nesters[7], renests[7], resents[7], stereos[7], nestors[7], stoners[7], tensors[7], tresses[7], tossers[7], ensures[7], outseen[7], neuters[7], retunes[7], tenures[7], tureens[7], tenours[7], tonsure[7], outsees[7], tonuses[7], unrests[7], estrous[7], oestrus[7], ousters[7], sourest[7], souters[7], stoures[7], tussore[7], sunsets[7], russets[7], trusses[7], tussers[7], tussors[7]

6 letter words

queens[14], queers[14], querns[14], roques[14], renege[7], genres[7], greens[7], genros[7], goners[7], gnoses[7], segnos[7], egress[7], serges[7], gorses[7], ogress[7], gerent[7], regent[7], tonger[7], genets[7], gentes[7], egrets[7], greets[7], ergots[7], strong[7], egests[7], geests[7], gestes[7], erugos[7], grouse[7], rogues[7], rouges[7], rugose[7], segues[7], reseen[6], serene[6], resees[6], sneers[6], eroses[6], senors[6], sensor[6], snores[6], nesses[6], senses[6], entree[6], eterne[6], retene[6], teener[6], enters[6], nester[6], renest[6], rentes[6], resent[6], tenser[6], ternes[6], treens[6], stereo[6], nestor[6], noters[6], stoner[6], tenors[6], tensor[6], toners[6], trones[6], tenses[6], setose[6], onsets[6], setons[6], stenos[6], stones[6], esters[6], reests[6], resets[6], serest[6], steers[6], steres[6], sterns[6], rosets[6], sorest[6], stores[6], torses[6], tosser[6], tsores[6], snorts[6], tosses[6], stress[6], ensure[6], enures[6], rouens[6], ensues[6], nouses[6], onuses[6]