9-Letter Words Containing PPO

There are 20 9-letter words that contain PPO. 12 are common words, such as APPOINTED and APPOINTEE. A rarer one is SUPPOSERS. 20 words contain a doubled letter.

Full list 20

appointedappointeeapportionlamppostsopponentsopportuneoppositesreappointsupportedsupportersupposingunopposedappointorhippocrasopposablesupposalspappoosesreopposedreopposessupposers

About this list

Words
20 (12 common words)
Common example
appointed
Rare example
supposers
Doubled letters
20
Ending in S
8

Questions

How many 9-letter words containing ppo are there?

20. 12 of them are common words.

What is a common example?

APPOINTED is among the common words in this set.