Some six letter words with the fifth letter I are:
engageenrageorange
alohasclavaeclavalclimaxclinalclonalelijahfloraefloralflorasflymanflywayglobalglomalglycanllamasplagalplanarplazaspleiadplicaeplicalpluralsloganslovak
physic
Thought is one.
caused, eluded, prudes