use '?' for JOKER (blank)

From letters E, Q, U, I, V, O, C, A, T, O, R, S  I made following words

12 letter words

equivocators[25]

11 letter words

equivocator[24]

9 letter words

evocators[14], overcoats[14], vorticose[14], veracious[14], voracious[14], outvoices[14], curatives[14], atrocious[11]

8 letter words

vaqueros[19], acquires[18], coquitos[18], racquets[18], quartics[18], croquets[18], equators[16], quaestor[16], covaries[13], varicose[13], evocator[13], overcoat[13], overacts[13], overcast[13], evictors[13], vortices[13], outvoice[13], curative[13], covetous[13], curviest[13], cutovers[13], overcuts[13], travoise[11], viatores[11], votaries[11], outraves[11], virtuosa[11], virtuose[11], vitreous[11], outsavor[11], virtuoso[11], suricate[10], outraces[10], citreous[10], outcries[10], touracos[10], ecotours[10], outscore[10], outraise[8], sautoire[8]

7 letter words

aquiver[18], vaquero[18], quavers[18], quivers[18], acquire[17], caiques[17], cirques[17], croquis[17], coquito[17], racquet[17], quartic[17], croquet[17], acquest[17], acquits[17], coquets[17], sequoia[15], equator[15], quartes[15], quatres[15], querist[15], quartos[15], questor[15], quoters[15], roquets[15], torques[15], varices[12], viscera[12], voicers[12], overact[12], evictor[12], actives[12], avocets[12], octaves[12], costive[12], octavos[12], cavorts[12], corvets[12], coverts[12], vectors[12], victors[12], cursive[12], cutover[12], overcut[12], curvets[12], ovaries[10], vastier[10], veritas[10], travois[10], viators[10], saviour[10], various[10], outrave[10], outvies[10], revuist[10], stuiver[10], virtues[10], scoriae[9], erotica[9], cooties[9], atresic[9], cristae[9], raciest[9], stearic[9], coaster[9], coaters[9], recoats[9], erotics[9], cooters[9], scooter[9], octrois[9], saucier[9], acerous[9], carouse[9], carious[9], curiosa[9], outrace[9], touraco[9], ecotour[9], acetous[9], curates[9], curites[9], icterus[9], cuatros[9], surcoat[9], turacos[9], couters[9], croutes[9], scouter[9], citrous[9], sootier[7], sautoir[7], stourie[7], outsoar[7], riotous[7]

6 letter words

caries[8], cerias[8], ericas[8], coarse[8], scoria[8], cosier[8], cooers[8], roscoe[8], cootie[8], coater[8], recoat[8], aortic[8], erotic[8], cooter[8], octroi[8], costae[8], coatis[8], scotia[8], cestoi[8], carets[8], cartes[8], caster[8], caters[8], crates[8], reacts[8], recast[8], traces[8], crista[8], racist[8], triacs[8], citers[8], recits[8], steric[8], trices[8], actors[8], castor[8], costar[8], scrota[8], tarocs[8], corset[8], coster[8], escort[8], rectos[8], scoter[8], sector[8], ariose[6], arioso[6], otiose[6], airest[6], satire[6], striae[6], terais[6], oaters[6], orates[6], osetra[6], aorist[6]