What part of speech a particular word in a particular sentence is often going to be a matter of dispute. This answer is probably valid according to some.
verb: Don't herher me, I'm a guy.
noun: Is that a him or a herher?
pronoun: Say hi to herher.
determiner: I see herher car.
adjective: We got his and hersher towels. The his towel is on the rack, and the herher towel is in the laundry.
interjection: Her! Her!Her! Her! Stop calling me him.
adverb: I passed her the salt.