use '?' for JOKER (blank)

From letters J, U, R, I, S, P, R, U, D, E, N, T, I, A, L  I made following words

15 letter words

jurisprudential[25]

13 letter words

preindustrial[16]

12 letter words

jurisprudent[22]

11 letter words

unspiritual[13]

10 letter words

transpired[13], prudential[13], punditries[13], underparts[13], surprinted[13], reptilians[12], superlunar[12], distrainer[11], irridentas[11], interlards[11], uitlanders[11], industrial[11], ruralities[10]

9 letter words

preadjust[19], jaspilite[18], presidial[12], spindlier[12], disrepair[12], pintailed[12], dipterans[12], epidurals[12], underlaps[12], uplanders[12], underlips[12], unplaited[12], underpart[12], supinated[12], eupatrids[12], preaudits[12], preadults[12], unstriped[12], disrupter[12], upstirred[12], reptilian[11], interlaps[11], traplines[11], triplanes[11], pretrials[11], pretrains[11], terrapins[11], transpire[11], superlain[11], spirulina[11], unrepairs[11], spiritual[11], spirituel[11], ultrapure[11], interlaid[10], irridenta[10], interlard[10], disentail[10], trailside[10], instarred[10], uredinial[10], laundries[10], ruralised[10], uitlander[10], dualities[10], indusiate[10], insulated[10], indurates[10], saturniid[10], disuniter[10], ultrareds[10], unstarred[10], intruders[10], trundlers[10], undulates[10], airliners[9], trilinear[9], saintlier[9], urinaries[9], retinular[9], retinulas[9], retiarius[9], ruralites[9], unruliest[9]

8 letter words

peridial[11], sandpile[11], presidia[11], lipreads[11], parslied[11], spiraled[11], sprained[11], inspired[11], spandrel[11], spandril[11], spindler[11], pardners[11], pantiled[11], dipteral[11], tripedal[11], dipteran[11], intrepid[11], talipeds[11], lapidist[11], depaints[11], displant[11], splinted[11], rapidest[11], traipsed[11], riptides[11], spirited[11], tiderips[11], sprinted[11], epidural[11], unpaired[11], unrepaid[11], pendular[11], underlap[11], uplander[11], pralines[10], prairies[10], reprisal[10], inspirer[10], reptilia[10], paintier[10], interlap[10], trapline[10], triplane[10], paltrier[10], pretrial[10], pretrain[10], terrapin[10], panelist[10], pantiles[10], plainest[10], alpinist[10], antislip[10], pintails[10], tailspin[10], parities[10], pilaster[10], plaister[10], plaiters[10], painters[10], pantries[10], pertains[10], pinaster[10], pristane[10], repaints[10], pristine[10], planters[10], replants[10], splinter[10], partiers[10], airstrip[10], stripier[10], partners[10], printers[10], reprints[10], sprinter[10], islander[9], drainers[9], serranid[9], daintier[9], idealist[9], adenitis[9], dainties[9], dilaters[9], lardiest[9], redtails[9], detrains[9], randiest[9], strained[9], distrain[9], disinter[9], inditers[9], nitrides[9], tendrils[9], trindles[9], strander[9], uredinia[9], airliner[8], airlines[8], snarlier[8], inertial[8], alienist[8], litanies[8], listeria[8], inertias[8], rainiest[8], entrails[8], latrines[8], ratlines[8], retinals[8], trenails[8], nitriles[8], rarities[8], retrials[8], trailers[8], restrain[8], retrains[8], strainer[8], terrains[8], trainers[8]