use '?' for JOKER (blank)

From letters K, N, O, W, L, E, D, G, E, A, B, L, Y  I made following words

13 letter words

knowledgeably[27]

9 letter words

knowledge[18]

8 letter words

knowable[17], weeklong[16], walleyed[15], yellowed[15], weldable[14], bellowed[14], bowelled[14], goldenly[13], begalled[12], gabelled[12], belonged[12], leadenly[12], lendable[11]

7 letter words

weekday[18], bleakly[16], blankly[16], wakened[15], nakedly[15], dayglow[15], lakebed[14], blanked[14], bedgown[14], bogeyed[14], dowable[13], boweled[13], elbowed[13], belayed[13], dyeable[13], blandly[13], walleye[13], kleagle[12], knelled[12], knolled[12], wangled[12], gowaned[12], wagoned[12], ownable[12], eyeball[12], goldeye[12], baloney[12], daylong[12], bondage[11], dogbane[11], allowed[11], lowland[11], langley[11], alloyed[11], nodally[11], labeled[10], gabelle[10], gelable[10], enabled[10], alleged[9], angeled[9], gleaned[9], allonge[8], galleon[8]

6 letter words

weakly[16], weekly[16], gawked[15], dweeby[15], walked[14], wanked[14], yanked[14], dankly[14], kayoed[14], okayed[14], yolked[14], donkey[14], byelaw[14], beaked[13], debeak[13], balked[13], banked[13], bonked[13], weaken[13], knawel[13], awoken[13], weakon[13], alkyne[13], keenly[13], lankly[13], knolly[13], yawled[13], lewdly[13], yawned[13], yowled[13], logway[13], gowany[13], bawled[12], blawed[12], blowed[12], bowled[12], bowleg[12], weblog[12], belady[12], dyable[12], baldly[12], benday[12], obeyed[12], boldly[12], beyond[12], bygone[12], leeway[12], yellow[12], leaked[11], ankled[11], kalong[11], gnawed[11], glowed[11], bellow[11], gowned[11], agedly[11], gleyed[11], gladly[11], dangly[11], beglad[10], gabled[10], banged[10], alkene[10], bodega[10], globed[10], bandog[10], bonged[10], walled[10], welled[10], deewan[10], weaned[10], wandle[10], wedeln[10], wangle[10], yelled[10], galley[10], yeaned[10], adenyl[10], noyade[10], longly[10], beadle[9], beagle[9], glebae[9], balled[9], bedell[9], belled[9], begall[9], beaned[9], blende[9], bangle[9], albedo[9], doable[9], bolled[9], global[9], debone[9], begone[9], blonde[9], belong[9], lanely[9], leanly[9], lonely[9], eagled[8], galled[8], gelled[8], baleen[8], enable[8], angled[8], dangle[8], lagend[8], legend[8], gaoled[8], goaled[8], dongle[8], golden[8], longed[8], ballon[8], allege[7], aneled[7], leaden[7], leaned[7], elodea[7], loaned[7], gallon[7]

5 letter words

baked[12], kedge[11], badge[9], debag[9], abled[8], baled[8], blade[8], bedel[8], bleed[8], bagel[8], belga[8], gable[8], gleba[8], glebe[8], abele[7], glade[7], aglee[6], eagle[6]