use '?' for JOKER (blank)

From letters W, E, A, T, H, E, R, P, E, R, S, O, N, S  I made following words

14 letter words

weatherpersons[22]

13 letter words

weatherperson[21]

11 letter words

parentheses[16]

10 letter words

enwreathes[16], resharpens[15], sharpeners[15], preheaters[15], weaponeers[15], spearworts[15], sportswear[15], hearteners[13], shorteners[13], treenwares[13], stonewares[13], westerners[13], reoperates[12], personates[12], presenters[12], represents[12], easterners[10]

9 letter words

prewashes[17], sweatshop[17], sweetshop[17], whereases[15], warhorses[15], reshowers[15], showerers[15], enwreathe[15], waterhens[15], wreathers[15], enswathes[15], stonewash[15], earphones[14], resharpen[14], sharpener[14], aphereses[14], enspheres[14], nephroses[14], rephrases[14], reshapers[14], preheater[14], ephorates[14], threapers[14], stanhopes[14], protheses[14], weaponeer[14], pewterers[14], spearwort[14], nearshore[12], rehearses[12], heartener[12], reheaters[12], heartsore[12], shortener[12], hasteners[12], heteroses[12], shoetrees[12], otherness[12], arthroses[12], answerers[12], treenware[12], stoneware[12], westerner[12], rosewater[12], narrowest[12], preseason[11], reoperate[11], personate[11], repartees[11], repeaters[11], rerepeats[11], presterna[11], presenter[11], repenters[11], represent[11], perorates[11], peartness[11], pretenses[11], proteases[11], patroness[11], transpose[11], pesterers[11], porteress[11], prestores[11], reasoners[9], easterner[9], earstones[9], resonates[9], arrestees[9]

8 letter words

earphone[13], ensphere[13], rephrase[13], reshaper[13], reshapes[13], phereses[13], sharpens[13], pharoses[13], sharpers[13], ephorate[13], threaper[13], haptenes[13], heptanes[13], phenates[13], phaetons[13], phonates[13], stanhope[13], potheens[13], preheats[13], panthers[13], phorates[13], pathoses[13], potashes[13], spathose[13], teashops[13], heptoses[13], snapshot[13], sharpest[13], rehearse[11], seahorse[11], seashore[11], hoarsens[11], senhoras[11], senhores[11], shearers[11], reheater[11], hastener[11], heartens[11], shoetree[11], honester[11], northers[11], antheses[11], ethnoses[11], sheerest[11], sheeters[11], earshots[11], hoarsest[11], shortens[11], personae[10], preeners[10], personas[10], responsa[10], response[10], asperser[10], spearers[10], aspersor[10], reposers[10], sporrans[10], repartee[10], repeater[10], rerepeat[10], repenter[10], perorate[10], preteens[10], pretense[10], terpenes[10], operates[10], protease[10], operants[10], pronates[10], proteans[10], taperers[10], pesterer[10], partners[10], praetors[10], prorates[10], prestore[10], steepens[10], pentoses[10], posteens[10], trapeses[10], steepers[10], pasterns[10], reasoner[8], reseason[8], seasoner[8], rareness[8], sneerers[8], serranos[8], serenate[8], earstone[8], resonate[8], arrestee[8], terranes[8], enterers[8], reenters[8], terreens[8], terrenes[8], antrorse[8], esterase[8], tesserae[8], assenter[8], earnests[8], sarsenet[8], serenest[8], assentor[8], santeros[8], senators[8], starnose[8], treasons[8], estrones[8]