Words that contain 'pr' and end in 'a'

Which word in particular from this list is made up of the highest number of letters?
'prorhipidoglossomorpha' (22 letters)

What is the highest number of points you could get in Scrabble from this list of words that contain 'pr' and end in 'a'?
As there are an extensive 311 entries, you should select 'protozoa' which scores 19 points in total.

What is the maximum number of words one can make from this list?
On this page of words that have 'pr' in and end with 'a', you have 311 combinations that are possible altogether.

What's the most common word on this page?
We've identified that 'prima' is the 12987^th most common word.

Is there an example word from this page of word that has 'pr' in and ends with 'a' that could be considered as interesting?
Our favorite peculiar word from this page goes to 'proboscidea'. It means "An order of large mammal".