Words that contain 'po' and end in 'us'

What is the max number of words you are able to construct from words that have 'po' in and end with 'us'?
There are 688 words you can use for words that have 'po' in and end with 'us'.

How many letters does the longest word from this list contain?
The longest word on this page is 'hypocraterimorphous'. It is made up 19 letters.

Is there an example of a word from this page of word that has 'po' in and ends with 'us' which might be deemed as unusual?
An example of a weird word from this list goes to 'pompous'. According to the Oxford dictionary, 'pompous' is defined as "1. Displaying pomp; stately; showy with grandeur; magnificent; as, a pompous procession. 2. Ostentatious; pretentious; boastful; vainlorious; as, pompous manners; a pompous style. "Pompous in high presumption." Chaucer. He pompous vanity of the old schoolmistress. Thackeray. -- Pom"ous*ly, adv. -- Pomp"ous*ness, n.".

What is the most popular word on this page?
When it comes to well-known words, there's 'spontaneous', which ranks as the 11098^th most popular word.

In Scrabble, what is the most points possible from words containing 'po' and ending with 'us'?
As there are a considerable 688 entries, we would advise going for 'poxvirus' scoring 20 points.