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

What is the longest word you can construct using the combination searched for?
The word 'percrystallization' is made up of 18 characters.

What is the highest number of points you can get in Scrabble using this list of words that start with 'p' and contain 'erc'?
With an overwhelming 215 entries, you should select 'promercy' scoring 17 points overall.

In total, how many words are available using the combination specified?
You can select up to 215 words.

Is there an example of a word from this page which might be considered as interesting?
Ranking as the most weird word on this list is 'percipience'. The definition of 'percipience' is as follows: "The faculty, act or power of perceiving; perception. Mrs. Browning.".

Is there a word on this page that stands out as the most common?
We've identified that 'perceived' is the 2398^th most common word.