Words that start with 'p' and contain 'rs'

What's the highest scoring word you can play in Scrabble ?
With the huge number of words to pick from, your best option is 'puzzlers' scoring 28 points overall.

What is the total number of words you are able to create from this combination of letters?
You can go with up to a maximum of 938 entries.

Which word that starts with 'p' and includes 'rs' is the most unusual?
One of the most stand out words from this list of words that start with 'p' and include 'rs' is 'perspicuity'. It means "1. The quality or state of being transparent or translucent. [Obs.] Sir T. Browne. 2. The quality of being perspicuous to the understanding; clearness of expression or thought. 3. Sagacity; perspicacity. Syn. -- Clearness; perspicuousness; plainness; distinctness; lucidity; transparency. See Clearness.".

Which word on this page stands out as the most popular?
There's 'person', which is the 382^nd most popular word.

How many characters does the longest word from this list consist of?
'Perspicaciousness' has 17 letters, and is the biggest word possible to make from the searched for combination.