use '?' for JOKER (blank)

From letters C, O, N, T, R, A, C, T, I, O, N, A, R, Y  I made following words

14 letter words

contractionary[21]

11 letter words

incantatory[16], coarctation[15], contraction[15]

10 letter words

contractor[14], contrarian[12]

9 letter words

catatonic[13], antarctic[13], contactor[13], carnation[11], narration[9], tarnation[9], annotator[9]

8 letter words

cyanotic[15], caryatic[15], coronary[13], tyrannic[13], caryotin[13], cartoony[13], octonary[13], contrary[13], cryotron[13], atrocity[13], citatory[13], coaction[12], cratonic[12], narcotic[12], contract[12], trictrac[12], natatory[11], rotatory[11], conation[10], raincoat[10], nonactor[10], carrotin[10], traction[10], tartaric[10], natation[8], notation[8], rotation[8], nitrator[8]

7 letter words

cryonic[14], canonry[12], carryon[12], tyronic[12], carroty[12], cottony[12], canonic[11], cooncan[11], carioca[11], acronic[11], raccoon[11], acrotic[11], coactor[11], atactic[11], toccata[11], contact[11], trinary[10], oratory[10], ocarina[9], carrion[9], cantina[9], actinon[9], contain[9], anticar[9], carotin[9], cortina[9], cartoon[9], coranto[9], tricorn[9], taction[9], tantric[9], citator[9], ricotta[9], contort[9], tractor[9], oration[7], annatto[7], intrant[7], arnatto[7], arnotto[7], rattoon[7], tortoni[7], traitor[7], rotator[7]

6 letter words

cyanic[13], cyanin[11], canyon[11], incony[11], canary[11], cairny[11], cranny[11], crayon[11], tycoon[11], yttric[11], cancan[10], cocain[10], ricrac[10], cantic[10], ocicat[10], arctic[10], tactic[10], tictac[10], tictoc[10], oniony[9], ronyon[9], ariary[9], arroyo[9], tannoy[9], ratany[9], yantra[9], tranny[9], aroynt[9], notary[9], rarity[9], rotary[9], yttria[9], tyrant[9], acinar[8], arnica[8], carina[8], crania[8], corona[8], racoon[8], rancor[8], incant[8], tannic[8], action[8], atonic[8], cation[8], cannot[8], canton[8], aortic[8], cantor[8], carton[8], contra[8], craton[8], citron[8], cortin[8], octroi[8], croton[8], carrot[8], trocar[8], intact[8], octant[8], cotton[8], cottar[8], tricot[8], ronion[6], atonia[6], anoint[6], nation[6], notion[6], antiar[6], aroint[6], ration[6], natron[6], nonart[6], intron[6], ratoon[6], arrant[6], orator[6], attain[6], natant[6], anatto[6], rattan[6], tantra[6], tartan[6], attorn[6], ratton[6], intort[6], triton[6], tartar[6]

5 letter words

cacao[9], conic[9], cocoa[9], circa[9], croci[9], cacti[9], coact[9], canna[7], ancon[7], canon[7], conin[7], acari[7], cairn[7], naric[7], coria[7], acorn[7], narco[7], racon[7], orcin[7], croon[7], actin[7], antic[7], coati[7], anion[5], onion[5], naira[5], noria[5]