What are those words, if they have a category, that are misued per:

Chai tea (Actually Chai translate to tea) so this is like saying
"Tea Tea"

PC computer (PC means personal computer-used out of context to mean IBM based machines)
"Personal Computer Computer"

Bo Staff (In martial arts a staff is a quarter stick-bo is the Asian term and translates the same)
"Stick Staff"

Aregent Silver
"Silver Silver"

Can you think of any others?