A riddle for you!

[SideWinder]

Quick riddle that my friend shared with my English class.

What word has one meaning if the first letter is a capital one and another different meaning if the first letter isn't a capital letter?

I'll post the answer later on.

 

[SideWinder]

Don't like my thread anymore. Our A-Level English class failed to think of any of these on the spot and the answer given was:

Polish and polish.

Sigh i give up. Turn this thread into a riddle one or something.

/leaves.