use '?' for JOKER (blank)

From letters C, A, R, N, I, V, O, R, I, E, S  I made following words

11 letter words

carnivories[16]

10 letter words

carnivores[15]

9 letter words

carnivore[14], veronicas[14], corrasive[14]

8 letter words

veronica[13], avionics[13], invoices[13], covaries[13], varicose[13], corvinas[13], aversion[11], revision[11], rivieras[11], savorier[11], scenario[10], recision[10], soricine[10], carrions[10], resorcin[10]

7 letter words

avionic[12], invoice[12], corvina[12], corvine[12], novices[12], varices[12], viscera[12], caverns[12], cravens[12], voicers[12], carvers[12], cravers[12], riviera[10], overran[10], evasion[10], ravines[10], ovaries[10], ivories[10], enviros[10], renvois[10], version[10], virions[10], arrives[10], variers[10], savorer[10], serovar[10], revisor[10], oneiric[9], carrion[9], cornier[9], acinose[9], eosinic[9], nicoise[9], arcsine[9], arsenic[9], carnies[9], irenics[9], sericin[9], scoriae[9], canoers[9], coarsen[9], corneas[9], narcose[9], coiners[9], cronies[9], orceins[9], recoins[9], incisor[9], carries[9], scarier[9], coarser[9], corsair[9], cirrose[9], corries[9], crosier[9], orrices[9], rancors[9], corners[9], scorner[9], rainier[7], senarii[7], erasion[7], ironies[7], noisier[7], sierran[7], serrano[7], ironers[7]

6 letter words

novice[11], carven[11], cavern[11], craven[11], voicer[11], carver[11], craver[11], cavies[11], vesica[11], civies[11], vincas[11], ovisac[11], voices[11], covens[11], covins[11], carves[11], cavers[11], naiver[9], ravine[9], vainer[9], vinier[9], enviro[9], renvoi[9], virion[9], arrive[9], varier[9], naives[9], navies[9], savine[9], avions[9], envois[9], ovines[9], vision[9], aeonic[8], carnie[8], irenic[8], canoer[8], cornea[8], coiner[8], orcein[8], recoin[8], ironic[8], racier[8], corrie[8], orrice[8], rancor[8], corner[8], casein[8], incase[8], anisic[8], casini[8], incise[8], canoes[8], oceans[8], casino[8], conies[8], cosine[8], icones[8], oscine[8], ionics[8], caries[8], cerias[8], ericas[8], caners[8], casern[8], cranes[8], nacres[8], rances[8], cairns[8], ricins[8], coarse[8], scoria[8], cosier[8], acorns[8], narcos[8], racons[8], censor[8], crones[8], recons[8], orcins[8], carers[8], racers[8], scarer[8], criers[8], ricers[8], corers[8], crores[8], scorer[8], airier[6], ironer[6], ionise[6], arisen[6], arsine[6], raisin[6], ariose[6], ariosi[6], arseno[6], reason[6], senora[6], arsino[6], norias[6], irones[6], nosier[6], senior[6], airers[6], raiser[6], sierra[6], snarer[6], rinser[6], soarer[6], rosier[6], snorer[6], sorner[6]