Words that start with 'po' and contain 'o'

How many characters are in the longest word on this list?
Consider 'polytetrafluoroethylene'

What's the most popular word for this page?
'Poor' is the most popular word from this page, ranked 322^nd most common word.

What is an interesting word that starts with 'po' and includes 'o'?
The most stand out word from this list is surely 'postposit'. According to the Oxford dictionary, 'postposit' means "To postpone. [Obs.] Feltham.".

What is the max number of words you are able to assemble from this combination of letters?
It's possible to derive 1,586 words from the letter combination you searched for.

In Scrabble, what is the best score you can get from this list of words that start with 'po' and include 'o'?
With a considerable 1,586 entries, your best choice is 'pozzolan' which scores 28 points.