use '?' for JOKER (blank)

From letters X, E, R, O, G, R, A, P, H, I, C, A, L, L, Y  I made following words

15 letter words

xerographically[33]

13 letter words

xylographical[31]

12 letter words

lexicography[30], calligrapher[20]

11 letter words

xylographic[29], xylographer[27], xerographic[26], calligraphy[22], graphically[22], parochially[21], archipelago[19], allographic[19]

10 letter words

xerography[26], phylloxera[25], hypergolic[21], orphically[20], heroically[18], carpellary[17], prelogical[15]

9 letter words

xylophage[25], xylograph[25], xerophily[24], coaxially[21], xerically[21], epochally[19], preachily[19], coryphaei[19], hypallage[18], oligarchy[18], coliphage[17], graphical[17], pyorrheal[17], eparchial[16], parochial[16], capillary[16], allograph[15], chargrill[15], echolalia[14], rachillae[14], paregoric[14], perorally[14], allegoric[12]

8 letter words

oxyphile[23], epicalyx[22], xylocarp[22], exarchal[20], hexaplar[20], pyrexial[20], prolixly[20], coxalgia[18], axillary[18], preaxial[17], hypogeal[17], hypergol[17], agraphic[16], lyophile[16], chorally[16], copygirl[16], pyorrhea[16], caliphal[15], parhelic[15], prechill[15], poachier[15], orphical[15], parachor[15], reproach[15], apically[15], epically[15], pyrrolic[15], agalloch[14], oligarch[14], polygala[14], glycerol[14], plagiary[14], playgirl[14], playgoer[14], achillea[13], heliacal[13], rachilla[13], heroical[13], alachlor[13], parhelia[13], racially[13], collyria[13], colliery[13], carryall[13], alopecia[12], calliope[12], calliper[12], capoeira[12], capriole[12], allegory[12], grillery[12], alogical[11], collegia[11], pelagial[11], allergic[11], pellagra[11], pillager[11], galloper[11], carriage[11], progeria[11], aerially[11], raillery[11], rocaille[10], carriole[10], caroller[10], galleria[9]

7 letter words

hexapla[19], xerarch[19], apraxic[18], exocarp[18], glyphic[18], cheaply[17], lexical[16], coaxial[16], hypogea[16], graphic[15], charley[15], acaleph[14], phallic[14], epochal[14], charpai[14], haircap[14], poacher[14], chirper[14], axillae[14], axillar[14], haylage[14], clypeal[14], choragi[13], choregi[13], charger[13], challie[12], helical[12], acholia[12], lochial[12], agapeic[12], pelagic[12], aphelia[12], apogeic[12], achiral[12], rachial[12], charlie[12], chiller[12], cholera[12], chorale[12], choreal[12], chorial[12], chloral[12], harelip[12], ephoral[12], charier[12], gharial[11], carpale[11], caliper[11], replica[11], caporal[11], crapola[11], peloric[11], policer[11], agilely[11], gallica[10], glacial[10], collage[10], logical[10], pillage[10], apogeal[10], glacier[10], gracile[10], airhole[10], pergola[10], hoarier[10], parerga[10], grapier[10], acerola[9], calorie[9], cariole[9], coalier[9], loricae[9], ocellar[9], collier[9], pallier[9], perilla[9], peloria[9], railcar[9], carrell[9], caroler[9], pareira[9], peroral[9], preoral[9], regalia[8], allegro[8], gorilla[8], girolle[8], realgar[8], glarier[8], griller[8], rallier[7], areolar[7]