Words that start with 'ps' and contain 'e'

In Scrabble, what's the most points possible using this list of words starting with 'ps' that contain 'e'?
With an extensive 1,061 entries, you may want to opt for 'psychean' which scores 18 points.

Is there an example word from this page which could be deemed as unique?
Our favorite peculiar word from this page is 'psalterium'. 'Psalterium' is defined as "(a) The third stomach of ruminants. See Manyplies. (B) The lyra of the brain.", according to the English dictionary.

What's the most common word that starts with 'ps' and includes 'e' in the dictionary?
We've discovered that 'pseud' is the 7124^th most common word.

What's the biggest word you can derive using this list?
Consider 'pseudointernationalistic'

How many words is it possible to make using this list?
There are a maximum of 1,061 entries on our page of words that start with 'ps' and contain 'e'.