Common Words:
* our
* ours
* ourselves
* out
* about
* around
* shout
* doubt
* route
* hour
* sour
* flour
* power
* pour
* tour
* your
Less Common Words:
* pourquoi (French for "why")
* gourmet
* contour
* dour
* clout
* tout
* sourdough
* soursop
* dinosaur
* dinosaur
* four
* pourri (French for "rotten")
* pourboire (French for "tip")
Phrases:
* our own
* our time
* ourselves
* out of
* about to
* around the corner
This is just a starting point, there are many more words with "our" in them.