Words with P in the middle:

​

Apart
Chopping
Copy
Coupon
Crockpot
Dipping
Happy
Napkin
Opened
Paper

Pepper
Ping Pong
Popcorn
Puppet
Report
Sleeping
Stopping
Toothpaste
Zip code
Zipper

Apartment
Apple pie
Capital
Cherry pie
Copperhead
Diaper
Frying pan
Grasshopper
Newspaper
Octopus​

Peppermint
Pineapple
Reporter
Separate
Slippery
​Japan
Soda pop
Superman
Superstar
Tropical​