The List
There are 279 6 letter words with I as the last letter. The highest scoring is MAZHBI at 22 points in Scrabble, though Words With Friends prefers BUZUKI at 24. 219 carry three or more vowels, which makes them useful for dumping a vowel-clogged rack.
ACULEIADSUKIADZUKIAGAPAIAGOUTIALFAKIALKALIALUMNIAMBARIANELLIANNULIARCHEIARGALIARGULIARILLIARIOSIASKARIAVANTIBAILLIBANZAIBHAKTIBHINDIBHISTIBIKINIBINDHIBINGHIBOLETIBONACIBONSAIBOOHAIBORZOIBUIBUIBUKSHIBURITIBUZUKICADAGICALAMICANTHICAROLICASINICENTAICESTOICESTUICHADRICHATTICHICHICHILLICHOKRICHOWRICLYPEICOLOBICOLONICONGIICUBITICUMULICURARICYATHICYTISIDALASIDECANIDEGAMIDENARIDEWANIDHIMMIDHOOTIDJINNIDROMOIDUELLIDUETTIECHINIELTCHIEMBOLIEPHEBIEPHORIEQUALIEURIPIEXODOIFAMULIFLOCCIFRACTIFUMULIGARDAIGELATIGEMINIGHARRIGHIBLIGILGAIGLUTEIGOMUTIGRIGRIGUANXIGURAMIHAIKAIHAKARIHAMULIHEGARIHEISHIHERMAIHUMERIILLUPIINCAVIINCUBIINKOSIISTHMIJAWARIJEHADIJIHADIJOWARIJUDOGIJUNGLIJUPATIKABIKIKABUKIKAIKAIKALUKIKAMAHIKIMCHIKOKIRIKONAKIKONINIKORARIKOUROIKOWHAIKROONIKULAKIKUMARILAOGAILAZULILIMULILITCHILOBULILOCULILUNGYIMALLEIMALOTIMANATIMARABIMARARIMAULVIMAZHBIMEHNDIMEISHIMILADIMIRCHIMIRITIMISHMIMODULIMOIRAIMOKIHIMOOLVIMOPANIMUESLIMUNSHIMYTHOINAGARINEINEINEROLINIELLINIGIRINILGAINOSTOINUCLEIOCELLIOCTOPIOCTROIONAGRIOORALIOURALIOURARIOUREBIPAKAHIPAKIHIPALAGIPANINIPAPYRIPATIKIPERITIPEROGIPETSAIPHALLIPIROGIPITHOIPITURIPLUTEIPOHIRIPOLYPIPRIAPIPROTEIPUJARIPUNANIPURIRIPUTELIPYLORIRAGINIRAMULIRAPINIREGULIRENVOIRHOMBIROESTIROMAJIRUBATIRUMAKISACCOISAFARISAIKEISAKKOISALAMISALUKISAMITISANCAISANDHISANSEISATORISBIRRISCAMPISCYPHISENITISENSEISESELISHALLISHANTISHTCHISHUFTISIDDHISIFREISIGLOISILENISIMPAISMALTISMRITISOLIDISOMONISONERISOUARISTELAISTRATISUNDRISURIMITABULITAHINITAMARITANUKITAPETITATAMITATSOITAUIWITAWHAITENUTITHALLITHOLOITHYRSITIFOSITIRITITITOKITITULITOITOITORULITROCHITROPHITSOTSITUFOLITULADITUMULITZADDIUAKARIUMFAZIUNCINIURACHIWAKIKIWAPITIWARAGIWASABIXYSTOIYANQUIYIDAKIYOGINIZAIKAIZUFOLI