The List
There are 150 4 letter words with I as the last letter. The highest scoring is KAZI at 17 points in Scrabble, though Words With Friends prefers KOJI at 17. 9 carry three or more vowels, which makes them useful for dumping a vowel-clogged rack.
ABRIACAIANTIARTIASCIBANIBENIBHAIBIDIBREIBUDICADICAPICEDICHAICONIDALIDARIDEFIDELIDENIDESIDIVIDIXIDUCIELHIETUIEUOIFENIFINIFOCIFUCIFUJIGADIGARIGLEIGOBIGOJIGORIGYRIHAJIHILIHIOIHOKIHORIIMPIINTIJEDIKADIKAKIKALIKAMIKATIKAZIKEPIKIWIKOJIKUFIKURIKUTILARILATILIRILOBILOCILOTILWEIMAGIMAKIMALIMANIMAXIMERIMIDIMIHIMINIMIRIMOAIMODIMOKIMOMIMOOIMOTIMUNIMUTINAOINEVINGAINIDINISINODINONINORIPADIPENIPERIPFUIPIKIPILIPIPIPTUIPULIPURIQADIQUAIRABIRAGIRAKIRAMIRANIROJIROTISADISAKISARISATISEMISHRISIMISIRISOLISORISUNISYLITABITAKITALITAXITIKITIPITITITOPITORIUNAIUNCIVAGIVALIVLEIWADIWALIWIKIWILIYAGIYETIYOGIYONIZARIZATIZITIZORI