use '?' for JOKER (blank)

From letters K, E, R, A, T, I, N, I, Z, A, T, I, O, N  I made following words

14 letter words

keratinization[26]

11 letter words

itineration[11]

9 letter words

tanzanite[17], interknit[13], interknot[13], itinerant[9], iteration[9], initiator[9], tarnation[9], nitration[9], tretinoin[9]

8 letter words

atrazine[16], triazine[16], notarize[16], zaratite[16], antitank[12], knottier[12], antiarin[8], triennia[8], aeration[8], anointer[8], reanoint[8], initiate[8], annotate[8], natation[8], intonate[8], attainer[8], reattain[8], intranet[8], tentoria[8], antiriot[8]

7 letter words

ionizer[15], ironize[15], tzarina[15], triazin[15], einkorn[11], kainite[11], neatnik[11], tankini[11], kinetin[11], keratin[11], knitter[11], trinket[11], knotter[11], aeonian[7], enation[7], antiair[7], inertia[7], entrain[7], tinnier[7], intoner[7], ternion[7], titania[7], tannate[7], annatto[7], tontine[7], arietta[7], intreat[7], iterant[7], nattier[7], nitrate[7], tertian[7], nitrite[7], nittier[7], entrant[7], intrant[7], arnatto[7], tritone[7], introit[7]

6 letter words

zaikai[18], zenana[14], zinnia[14], ionize[14], zanier[14], zoaria[14], zeatin[14], zonate[14], tarzan[14], ananke[10], kinara[10], inkier[10], oakier[10], anorak[10], kronen[10], intake[10], kainit[10], kation[10], nekton[10], karate[10], kantar[10], tanker[10], reknit[10], tinker[10], troika[10], reknot[10], kitten[10], eonian[6], inaner[6], narine[6], taenia[6], innate[6], intine[6], atonia[6], anoint[6], nation[6], intone[6], antiar[6], ratine[6], retain[6], retina[6], tinier[6], tanner[6], intern[6], tinner[6], aortae[6], atoner[6], ornate[6], aroint[6], ration[6], norite[6], orient[6], tonier[6], natron[6], nonart[6], tonner[6], intron[6], attain[6], titian[6], natant[6], tenant[6], intent[6], anatto[6], notate[6], attire[6], ratite[6], rattan[6], tantra[6], tartan[6], natter[6], ratten[6], retint[6], tinter[6], rotate[6], attorn[6], ratton[6], rotten[6], torten[6], intort[6], triton[6]

5 letter words

kinin[9], oaken[9], eikon[9], enoki[9], koine[9], inker[9], reink[9], korai[9], krona[9], krone[9], tanka[9], taken[9], takin[9], token[9], karat[9], taker[9], krait[9], traik[9], kiter[9], trike[9], inane[5], anion[5], inion[5], anear[5], arena[5], naira[5], inner[5], renin[5], noria[5], irone[5], antae[5], entia[5], tenia[5], tinea[5], anent[5], atone[5], oaten[5], nonet[5], tenon[5], tonne[5], niton[5], reata[5], atria[5], raita[5], riata[5], tiara[5], irate[5], retia[5], terai[5], antra[5], ratan[5]