Words with 'pen' at the start and 'e' at the end

Which word that starts with 'pen' and ends with 'e' is the most unique?
Undoubtedly one of the most strange words from this page is 'pentine'. According to the dictionary, 'pentine' means "An unsaturated hydrocarbon, c5H8, of the acetylene series. Same as Valerylene.".

How many possible words can you make using the combination of letters requested?
There are 150 brilliant words for you to consider.

Which word on this page ranks as the most common?
The most popular word is 'penetrate', which happens to be the 9110^th most common word in this list.

How many letters does the longest word from this page consist of?
The longest word that's possible to construct from this list is 'pentamethylenediamine', which has 21 characters.

What is the highest possible score you're able to get in Scrabble from this list of words with 'pen' at the start and 'e' at the end?
As there are a sizeable 150 entries, it's best to opt for 'penalize' which scores 19 points.