use '?' for JOKER (blank)

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

11 letter words

choirmaster[18]

9 letter words

trichrome[16], chromates[16], stomacher[16], rhotacism[16], chromiest[16], chromites[16], trichomes[16], charriest[14], starchier[14], carthorse[14], orchestra[14], chorister[14], rhetorics[14], torchiers[14], cremators[13], camorrist[13], oratrices[11]

8 letter words

chromier[15], chimeras[15], marchesi[15], charmers[15], marchers[15], rhematic[15], chromate[15], chromite[15], trichome[15], hematics[15], mastiche[15], misteach[15], tachisme[15], moschate[15], matchers[15], marshier[13], horsecar[13], rhetoric[13], torchier[13], achiotes[13], chariest[13], theriacs[13], thoraces[13], actorish[13], chariots[13], haricots[13], teraohms[13], isotherm[13], charters[13], recharts[13], trochars[13], cremator[12], ceramist[12], matrices[12], mistrace[12], scimetar[12], acrotism[12], mortices[12], hoariest[11], trashier[11], heritors[11], armoires[10], armories[10], amortise[10], atomiser[10], erratics[10], creators[10], reactors[10], rearmost[10], mortiser[10], stormier[10], rotaries[8]

7 letter words

chimera[14], homeric[14], charmer[14], marcher[14], chamise[14], chamiso[14], chamois[14], echoism[14], marches[14], mesarch[14], schmear[14], charism[14], chimars[14], chrisma[14], chimers[14], chromas[14], chromes[14], chrisom[14], hematic[14], matcher[14], rematch[14], thermic[14], matches[14], tachism[14], chemist[14], stomach[14], charier[12], cahiers[12], cashier[12], mishear[12], choreas[12], oraches[12], roaches[12], coheirs[12], heroics[12], mohairs[12], heroism[12], archers[12], crasher[12], chirres[12], harmers[12], charros[12], achiote[12], theriac[12], chariot[12], haricot[12], teraohm[12], mothier[12], charter[12], rechart[12], trochar[12], achiest[12], aitches[12], atheism[12], isotach[12], homiest[12], chaster[12], rachets[12], ratches[12], cithers[12], richest[12], hamster[12], thairms[12], thirams[12], hermits[12], mithers[12], hectors[12], rochets[12], rotches[12], tochers[12], torches[12], troches[12], ostrich[12], mothers[12], coremia[11], carroms[11], mortice[11], sematic[11], comates[11], atomics[11], osmatic[11], somatic[11], metrics[11], hoarier[10], harries[10], hoarser[10], horsier[10], heritor[10], hastier[10], earshot[10], airshot[10], shortia[10], thorias[10], heriots[10], hoister[10], shortie[10], armoire[9], scoriae[9], carries[9], scarier[9], marries[9], coarser[9], corsair[9], cirrose[9], corries[9], crosier[9], orrices[9], remoras[9], roamers[9], erotica[9], cirrate[9], erratic[9], creator[9], reactor[9], amosite[9], atomies[9], atomise[9], atresic[9], cristae[9], raciest[9], stearic[9], imarets[9], maestri[9], misrate[9], smartie[9], coaster[9], coaters[9], recoats[9], erotics[9], maestro[9]