That's natural.
7 letter words with I as the 4th letter:articleartisanbroiledcomicalchoicesclaimeddelightdesiredempiresinvitedinvitesmonitornovicespelicanrelivedretiredshrinkssimilarsplintsstrikesstripesstrivesthrillsthrivestrailedunhinge
elixirs
greater
mascots
That's trouble.
buzzingfizzing
thought
crested
battledbottledclothedcustardcontendfrettedleotardmottledmustardnettledpretendrattledsettled
letters
spilled
That's private.