The List
There are 260 5 letter words with I as the last letter. The highest scoring is LAZZI at 23 points in Scrabble, though Words With Friends prefers HAJJI at 26. 94 carry three or more vowels, which makes them useful for dumping a vowel-clogged rack.
AALIIAARTIABACIACARIACINIADUKIAGAMIAGGRIAGUTIAIDOIAIOLIALIBIAMICIANIMIAPPUIARDRIARIKIASKOIASSAIATIGIAULOIAUREIAZUKIBAJRIBALTIBAMBIBASSIBASTIBEEDIBENNIBESTIBHAJIBIALIBINDIBLINIBOCCIBODHIBOOAIBRAAIBRAVIBRIKIBUFFIBUSTIBWAZIBYSSICACTICAMPICARDICARPICEILICELLICERCICESTICHILICHOLICIPPICIRRICLAVICOATICOCCICOMBICORGICORNICROCICULTICUNEICURLICURSIDARZIDASHIDESHIDHOBIDHOTIDHUTIDILLIDISCIDOLCIDUOMIDURZIELCHIELEMIENNUIENOKIENVOIFARCIFASCIFASTIFERMIFILIIFILMIFRATIFUNDIFUNGIGADDIGARNIGENIIGHAZIGIBLIGLOBIGOBBIGUSLIHADJIHAJJIHANGIHIKOIHONGIHOURIIAMBIIMARIIMSHIINDRIISSEIJINNIKANJIKARRIKATTIKAURIKHADIKHAKIKHAZIKIBBIKIBEIKIKOIKIRRIKOORIKORAIKRUBIKUKRIKULFILAARILANAILASSILATHILAZZILENTILIBRILICHILIMBILITAILOGOILUNGILURGIMACHIMANDIMAQUIMARRIMATAIMAURIMEDIIMODIIMOOLIMUFTIMURRIMURTIMYTHINAEVINASHINGATINIMBINISEINKOSINOMOIOBELIOBOLIOCULIOKAPIORIBIOVOLIOZEKIPADRIPAGRIPALKIPALPIPAOLIPAPPIPARDIPARKIPARTIPENNIPERAIPETRIPETTIPIANIPILEIPIRAIPOORIPRIMIPSOAIPULLIPUNJIPUTTIQUASIRABBIRADIIRAHUIRANGIRECTIREIKIRISHIROSHIROSTIRUBAISAKAISALMISAMPISATAISCAPISCUDISEGNISEHRISENGISENSISENTISERAISHCHISHIAISHOGISHOJISOLDISOLEISPAHISTOAISTYLISUCCISULCISUSHISWAMITAKHITANGITANTITARSITAWAITELOITEMPITERAITETRITHAGITHALITHOLITHYMITONDITOPHITOPOITORIITORSITRAGITSADITUTTIUGALIUMAMIURAEIURALIURARIUTERIVILLIVOLTIWONGIXYSTIZIMBIZOMBI