Words with 'p' as the first letter that end with 'is'

What's the biggest word you can create from the combination of letters searched for?
The longest word on this list is 'pericardiomediastinitis'. It consists of 23 letters.

What is an unusual word that starts with 'p' and ends with 'is'?
Our team feels that 'pneumonitis' to be the most weird word on this page. The traditional definition of 'pneumonitis' is as follows: "Inflammation of the lungs; pneumonia.". Source Oxford Dictionary.

What is the highest possible score you can get in Scrabble using this list of words with 'p' as the 1st letter that end with 'is'?
With an extensive 723 entries, your best bet is to consider 'phylaxis' which scores 23 points in total.

Is there any word on this page that jumps out as the most common?
As far as popular words go, there's 'pois' which ranks as the 13714^th most common word.

What is the max number of words you're able to construct using words that start with 'p' and end with 'is'?
On this list of words beginning with 'p' and ending with 'is', Dictionarypedia has discovered 723 combinations that can be selected.