use '?' for JOKER (blank)

From letters P, R, O, G, R, E, S, S, I, V, I, S, T, I, C  I made following words

15 letter words

progressivistic[23]

13 letter words

progressivist[19]

11 letter words

viscosities[16]

10 letter words

piscivores[17], isopiestic[14], postcrisis[14], gossipries[13], rigoristic[13], priorities[12]

9 letter words

piscivore[16], previsors[14], victories[14], privities[14], positiver[14], positives[14], previsits[14], precrisis[13], crispiest[13], rescripts[13], scripters[13], gossipers[12], overstirs[12], servitors[12], piosities[11], isosteric[11], crossties[11], prissiest[11], rigorists[10], resistors[9]

8 letter words

previsor[13], viscoses[13], positive[13], veristic[13], evictors[13], vortices[13], previsit[13], priviest[13], overtips[13], sorptive[13], sportive[13], victress[13], crispier[12], crispers[12], periotic[12], picrites[12], priciest[12], rescript[12], scripter[12], spiciest[12], crispest[12], prosects[12], cesspits[12], isogrivs[12], overgirt[12], vertigos[12], pirogies[11], gossiper[11], serpigos[11], progress[11], egoistic[11], gripiest[11], pigsties[11], revisors[11], overstir[11], servitor[11], revisits[11], visiters[11], visitors[11], strivers[11], priories[10], crosiers[10], prissier[10], prioress[10], prissies[10], prossies[10], pissoirs[10], crossers[10], pressors[10], stripier[10], pierrots[10], sportier[10], eristics[10], crosstie[10], spiriest[10], prosiest[10], prosties[10], reposits[10], ripostes[10], triposes[10], stripers[10], portress[10], presorts[10], sporters[10], crossest[10], persists[10], grossers[9], rigorist[9], gorsiest[9], strigose[9], gristers[9], grossest[9], iritises[8], resistor[8], roisters[8], sorriest[8], stressor[8], tsorriss[8]

7 letter words

pricier[11], spicier[11], copiers[11], crisper[11], pricers[11], spicers[11], corpses[11], process[11], picrite[11], porrect[11], poetics[11], triceps[11], copters[11], prosect[11], tropics[11], cesspit[11], septics[11], pierogi[10], gripier[10], porgies[10], serpigo[10], grocers[10], gripers[10], gropers[10], gipsies[10], gossips[10], ergotic[10], spigots[10], cirrose[9], corries[9], crosier[9], orrices[9], spirier[9], prosier[9], poisers[9], prossie[9], pissoir[9], crosser[9], recross[9], scorers[9], pressor[9], prosers[9], cissies[9], crosses[9], scissor[9], pissers[9], prisses[9], prosses[9], pierrot[9], preriot[9], eristic[9], erotics[9], soritic[9], pitiers[9], tipsier[9], prostie[9], reposit[9], riposte[9], ropiest[9], rectors[9], striper[9], porters[9], presort[9], pretors[9], reports[9], sporter[9], cosiest[9], posties[9], potsies[9], sopites[9], corsets[9], costers[9], escorts[9], scoters[9], sectors[9], gorsier[8], grosser[8], grosses[8], goiters[8], goitres[8], goriest[8], grister[8], egoists[8], stogies[8], tigress[8], orrises[7], sissier[7], seisors[7], rioters[7], roister[7], rosiest[7], sorites[7], sorties[7]