use '?' for JOKER (blank)

From letters W, E, A, T, H, E, R, B, O, A, R, D, I, N, G  I made following words

15 letter words

weatherboarding[25]

12 letter words

weatherboard[21]

11 letter words

harbingered[18], harebrained[17], rethreading[16], ironhearted[15], graniteware[15]

10 letter words

handbarrow[19], whitebeard[19], neighbored[17], bighearted[17], brightened[17], wardrobing[17], headwaiter[17], weathering[17], hibernated[16], inbreathed[16], threadbare[16], brightener[16], brothering[16], ingathered[15], hibernator[15], dewatering[15], waterborne[15], reboarding[14], arbitraged[14], warrantied[14], baronetage[13], reobtained[13], deaerating[12], intergrade[12], retreading[12], aberration[12], denigrator[12], deaeration[11]

9 letter words

downright[17], rightward[17], beheading[16], benighted[16], arrowhead[16], browridge[16], harrowing[16], headwater[16], waterhead[16], handwrite[16], nightwear[16], wreathing[16], handwrote[16], earthward[16], growthier[16], northward[16], habergeon[15], harbinger[15], harborage[15], abhorring[15], harboring[15], breathing[15], bethorned[15], bothering[15], brothered[15], beworried[15], whereinto[15], waterbird[15], hibernate[14], inbreathe[14], threading[14], dehorting[14], breathier[14], abhorrent[14], earthborn[14], redrawing[14], rewarding[14], rewording[14], bargained[13], gabardine[13], gaberdine[13], begroaned[13], debarring[13], rehearing[13], garderobe[13], diarrhoea[13], bordering[13], abnegated[13], herniated[13], inearthed[13], reheating[13], abrogated[13], dinothere[13], threadier[13], dethroner[13], trihedron[13], rewearing[13], warranted[13], debonaire[12], bargainer[12], broadener[12], abnegator[12], aberrated[12], redbaiter[12], arbitrage[12], bartender[12], interbred[12], bartering[12], warrantee[12], rainwater[12], orangeade[11], arraigned[11], earringed[11], grenadier[11], rereading[11], tragedian[11], denigrate[11], gratineed[11], gradation[11], indagator[11], redingote[11], regardant[11], regranted[11], retarding[11], deterring[11], arrogated[11], orangerie[10], aragonite[10], reradiate[10], irredenta[10], retrained[10], retearing[10], deaerator[10], generator[10]

8 letter words

herbaged[15], hangbird[15], bonehead[14], barehead[14], barehand[14], hairband[14], neighbor[14], abhorred[14], harbored[14], begorrah[14], gearhead[13], headgear[13], hangared[13], rehanged[13], adhering[13], rehinged[13], gheraoed[13], habanero[13], hoarding[13], herbaria[13], hagrider[13], headgate[13], thebaine[13], badinage[12], bigarade[12], bandager[12], abrading[12], bearding[12], breading[12], beringed[12], breeding[12], boarding[12], barraged[12], abridger[12], diarrhea[12], hardener[12], reharden[12], harridan[12], hinderer[12], garboard[12], dehorner[12], debating[12], headnote[12], anthodia[12], baronage[11], debonair[11], reboring[11], abnegate[11], obtained[11], obedient[11], gadarene[10], drainage[10], gardenia[10], regained[10], anaerobe[10], renegado[10], organdie[10], gerardia[10], arranged[10], deranger[10], gardener[10], garnered[10], deringer[10], airborne[10], ordering[10], indagate[10], regainer[9], ordainer[9], reordain[9], orangier[9], erigeron[9]