There are a number of preposition words that change the meaning of a phrase when used with a particular word. For example, you can use Serve with different prepositions, and you will get a different meaning every time. You can see the examples below:
1. Serve out
Serve out (Distribute)
Example: Sweets were served out to the audience.
2. Serve up
Serve up (to give food)
Example: A nice lunch was served up there at the function.