use '?' for JOKER (blank)

From letters F, A, V, O, R, A, B, L, E, N, E, S, S, E, S  I made following words

15 letter words

favorablenesses[23]

13 letter words

favorableness[21]

11 letter words

bravenesses[16], verboseness[16]

10 letter words

venerables[15], reenslaves[13], ovalnesses[13], averseness[13], reasonable[12], seasonable[12], barenesses[12], baronesses[12], realnesses[10], reasonless[10]

9 letter words

favorable[17], fleabanes[14], beefaloes[14], freebases[14], venerable[14], severable[14], braveness[14], absolvers[14], farnesols[12], falseness[12], farnesses[12], reenslave[12], enslavers[12], nerveless[12], oversales[12], savorless[12], anaerobes[11], obeseness[11], noblesses[11], soberness[11], seasonals[9], selenoses[9], reseasons[9], seasoners[9]

8 letter words

overleaf[14], flavones[14], enfevers[14], fleabane[13], reefable[13], beefalos[13], freebase[13], beefless[13], overable[13], saveable[13], lavaboes[13], bereaves[13], servable[13], bevelers[13], verbenas[13], absolver[13], absolves[13], verbless[13], observes[13], obverses[13], foreseen[11], farnesol[11], fearless[11], freeness[11], fernless[11], flensers[11], fresnels[11], foresees[11], safroles[11], safeness[11], selfness[11], flossers[11], venereal[11], enslaver[11], oversale[11], overseen[11], enslaves[11], ovalness[11], severals[11], overseas[11], oversees[11], resolves[11], anaerobe[10], abalones[10], erasable[10], enablers[10], earlobes[10], seaborne[10], boneless[10], noblesse[10], bareness[10], boreases[10], baroness[10], baseless[10], baseness[10], blessers[10], seasonal[8], enolases[8], releases[8], arsenals[8], realness[8], reseason[8], seasoner[8], noseless[8], soleness[8], lassoers[8], soreness[8]

7 letter words

flavone[13], enfever[13], favelas[13], beefalo[12], feebler[12], befleas[12], fablers[12], bereave[12], beveler[12], verbena[12], savable[12], lavabos[12], absolve[12], beavers[12], verbals[12], oneself[10], feelers[10], refeels[10], flenser[10], fresnel[10], foresee[10], loafers[10], safrole[10], feeless[10], flenses[10], farness[10], enserfs[10], safrols[10], flosser[10], flosses[10], frasses[10], enslave[10], leavens[10], elevens[10], elevons[10], abalone[9], enabler[9], earlobe[9], seeable[9], baleens[9], enables[9], arables[9], aerobes[9], boranes[9], boreens[9], enrobes[9], balases[9], bolases[9], abasers[9], barless[9], braless[9], blesser[9], orbless[9], blesses[9], brasses[9], areolae[7], enolase[7], release[7], arsenal[7], leaners[7], areolas[7], areoles[7], arenose[7], loaners[7], reloans[7], anlases[7], earless[7], leasers[7], resales[7], reseals[7], sealers[7], serenes[7], serosae[7], lassoer[7], oarless[7], serosal[7], resoles[7], reasons[7], senoras[7], senores[7], lessees[7], lessens[7], lassoes[7], loesses[7], seasons[7], lessons[7], sonless[7], seeress[7], rassles[7], sansars[7], sarsens[7], saroses[7], serosas[7], lessors[7], sensors[7]