use '?' for JOKER (blank)

From letters Q, U, A, R, T, E, R, N, S  I made following words

9 letter words

quarterns[17]

8 letter words

quartern[16], quarters[16]

7 letter words

squarer[15], quarter[15], quartes[15], quatres[15], errants[7], ranters[7], natures[7], saunter[7], returns[7], turners[7]

6 letter words

tranqs[14], queans[14], square[14], querns[14], quarte[14], quatre[14], quants[14], quarts[14], snarer[6], errant[6], ranter[6], antres[6], astern[6], sterna[6], arrest[6], rarest[6], raster[6], raters[6], starer[6], tarres[6], terras[6], rasure[6], urares[6], nurser[6], reruns[6], nature[6], return[6], turner[6], unseat[6], urates[6], santur[6], tuners[6], unrest[6]

5 letter words

tranq[13], quean[13], quare[13], quern[13], quate[13], quant[13], quart[13], squat[13], quest[13], reran[5], earns[5], nares[5], nears[5], saner[5], snare[5], rares[5], raser[5], rears[5], antre[5], rater[5], tarre[5], terra[5], antes[5], etnas[5], nates[5], neats[5], stane[5], aster[5], rates[5], resat[5], stare[5], tares[5], tears[5], rants[5], tarns[5], trans[5], nerts[5], rents[5], stern[5], terns[5], urare[5], rerun[5], usnea[5], aures[5], urase[5], ureas[5], ursae[5], nurse[5], runes[5], surra[5], ruers[5], surer[5], urate[5], tuner[5], truer[5], saute[5], aunts[5], tunas[5], tunes[5], unset[5], sutra[5], trues[5], runts[5], turns[5]

4 letter words

qats[12], earn[4], near[4], rare[4], rear[4], anes[4], sane[4], ares[4], arse[4], ears[4], eras[4], rase[4], sear[4], sera[4], erns[4], errs[4], ante[4], etna[4], neat[4], rate[4], tare[4], tear[4], rant[4], tarn[4], rent[4], tern[4], ates[4], east[4], eats[4], etas[4], sate[4], seat[4], seta[4], teas[4], ants[4], tans[4], nest[4], nets[4], sent[4], tens[4], arts[4], rats[4], star[4], tars[4], tsar[4], erst[4], rest[4], rets[4], tres[4], urea[4], rune[4], ruer[4], anus[4], sura[4], ursa[4], rues[4], ruse[4], suer[4], sure[4], user[4], runs[4], urns[4], aunt[4], tuna[4], tune[4], true[4], runt[4], turn[4], taus[4], utas[4], suet[4], utes[4], nuts[4], stun[4], tuns[4], rust[4], ruts[4]

3 letter words

ane[3], nae[3], are[3], ear[3], era[3], ran[3], ern[3], err[3], sae[3], sea[3], ens[3], sen[3], ars[3]