With "pop":
* Popcorn
* Pop-up
* Pop-tart
* Pop-rock
* Pop-culture
* Pop-gun
* Pop-over
* Pop-in
* Pop-out
* Pop-fly (baseball)
* Pop-socket
* Pop-eye (slang for bulging eye)
With "pops":
* Popsicle
* Pops (short for "Popsicles")
* Pops (informal term for father)
Let me know if you'd like more examples!