use '?' for JOKER (blank)

From letters H, I, S, T, O, R, I, C, I, T, I, E, S  I made following words

13 letter words

historicities[18]

11 letter words

historicist[16]

10 letter words

orchitises[15], eroticists[12]

9 letter words

christies[14], ostriches[14], trichoses[14], trichosis[14], trichites[14], torchiest[14], ethicists[14], stitchers[14], tristichs[14], histories[12], shirtiest[12], theorists[12], isosteric[11], eroticist[11]

8 letter words

orchises[13], christie[13], historic[13], orchitis[13], trichite[13], chitties[13], ethicist[13], itchiest[13], theistic[13], chitters[13], restitch[13], stitcher[13], tristich[13], stitches[13], hoisters[11], horsiest[11], shorties[11], shittier[11], thirties[11], theorist[11], thorites[11], stithies[11], shortest[11], eristics[10], crosstie[10], osteitic[10], cottiers[10], scotties[10], trisects[10], iritises[8], osteitis[8], otitises[8]

7 letter words

coheirs[12], heroics[12], coshers[12], itchier[12], cithers[12], richest[12], hectors[12], rochets[12], rotches[12], tochers[12], torches[12], troches[12], ostrich[12], chitter[12], stretch[12], hissier[10], hosiers[10], heriots[10], hoister[10], shortie[10], horstes[10], thorite[10], hotties[10], hitters[10], tithers[10], theists[10], sottish[10], thirsts[10], eristic[9], erotics[9], soritic[9], cosiest[9], corsets[9], costers[9], escorts[9], scoters[9], sectors[9], cottier[9], scottie[9], trisect[9], cotters[9], tricots[9], rosiest[7], sorites[7], sorties[7], stories[7], trioses[7], sitters[7]

6 letter words

coheir[11], heroic[11], riches[11], chores[11], cosher[11], ochers[11], ochres[11], chiros[11], choirs[11], ichors[11], orchis[11], choses[11], coshes[11], cither[11], thrice[11], hector[11], rochet[11], rotche[11], tocher[11], troche[11], rhotic[11], thoric[11], ethics[11], itches[11], cherts[11], chests[11], schist[11], stichs[11], thetic[11], hosier[9], hoises[9], hisser[9], shiers[9], shires[9], rishis[9], horses[9], hosers[9], shoers[9], shores[9], roshis[9], heriot[9], theirs[9], horste[9], others[9], reshot[9], throes[9], heists[9], shiest[9], thesis[9], shotes[9], toshes[9], hoists[9], shirts[9], horsts[9], shorts[9], cosier[8], cosies[8], crises[8], scries[8], crisis[8], corses[8], crosse[8], scores[8], iritic[8], erotic[8], cities[8], iciest[8], cestoi[8], citers[8], recits[8], steric[8], trices[8], corset[8], coster[8], escort[8], rectos[8], scoter[8], sector[8], torics[8], cestos[8], cosets[8], cosset[8], escots[8], stoics[8], crests[8], irises[6], osiers[6], seisor[6], iritis[6], sortie[6], tories[6], triose[6], resist[6], resits[6], sister[6], rosets[6], sorest[6], stores[6], torses[6], tosser[6], tsores[6], tsoris[6]