use '?' for JOKER (blank)

From letters J, U, X, T, A, P, O, S, I, T, I, O, N, A, L  I made following words

15 letter words

juxtapositional[31]

13 letter words

juxtaposition[29]

11 letter words

stipulation[13], postulation[13], situational[11]

10 letter words

autotoxins[17], positional[12], spoliation[12], autopilots[12], salutation[10]

9 letter words

postaxial[18], laxations[16], taxations[16], luxations[16], autotoxin[16], talapoins[11], nopalitos[11], optionals[11], postilion[11], antipasti[11], antipasto[11], postnatal[11], potations[11], tonoplast[11], platinous[11], pulsation[11], autopilot[11], outpaints[11], postulant[11], outpoints[11], isolation[9], satiation[9], atonalist[9], saltation[9], stational[9], siltation[9], tuitional[9], situation[9], tantalous[9]

8 letter words

jalapins[17], laxation[15], taxation[15], uniaxial[15], luxation[15], anoopsia[10], talapoin[10], nopalito[10], optional[10], tilapias[10], platinas[10], alpinist[10], antislip[10], pintails[10], tailspin[10], postanal[10], pinitols[10], position[10], platoons[10], potation[10], talipots[10], spittoon[10], nuptials[10], unplaits[10], opuntias[10], utopians[10], outplans[10], unspoilt[10], outpaint[10], outpoint[10], pantsuit[10], outplots[10], alations[8], solation[8], inositol[8], titanias[8], ostinati[8], ostinato[8], solution[8], tantalus[8], lutanist[8], titanous[8], tuitions[8]

7 letter words

outjinx[21], jalapin[16], sapajou[16], salpinx[16], posttax[16], anoxias[14], oxtails[14], antitax[14], anxious[14], noxious[14], salpian[9], anopias[9], anopsia[9], paisano[9], sinopia[9], plosion[9], tilapia[9], platina[9], pintail[9], pinitol[9], platoon[9], spatial[9], pastina[9], patinas[9], pinatas[9], taipans[9], pianist[9], platans[9], saltpan[9], plaints[9], tapalos[9], apostil[9], topsail[9], pontils[9], poloist[9], topsoil[9], options[9], potions[9], talipot[9], antipot[9], spotlit[9], nauplii[9], paulins[9], spinula[9], pulsion[9], upsilon[9], unspool[9], nuptial[9], unplait[9], opuntia[9], utopian[9], outplan[9], spatula[9], pulsant[9], unspilt[9], unsplit[9], utopias[9], slipout[9], outspan[9], spinout[9], plutons[9], outplot[9], uptilts[9], utopist[9], outpost[9], liaison[7], alation[7], latinas[7], solatia[7], atonias[7], latinos[7], talions[7], lotions[7], soliton[7], titania[7], attains[7], titians[7], saltant[7], lattins[7], altoist[7], anattos[7], station[7], nautili[7], outlain[7], sultana[7], outsail[7], tuition[7], intuits[7], outlast[7]

6 letter words

jalaps[15], japans[15], jalops[15], anopia[8], palais[8], paisan[8], lapins[8], plains[8], spinal[8], lipins[8], pianos[8], nopals[8], saloop[8], polios[8], poison[8], aaliis[6], lanais[6], lianas[6], nasial[6], salina[6], aiolis[6], aloins[6], saloon[6], solano[6], solion[6], latina[6], atonia[6], atonal[6], latino[6]