What's the best score you could get in Scrabble using this list of words that start with 'en' and contain 'a'?With the number of words from which to select, your best option is to consider 'enhazard' which scores 21 points.
What is an unusual word that starts with 'en' and includes 'a'?The most strange word based on public feedback is 'encrease'. The popular definition of 'encrease' is as follows: "i. [Obs.] See Increase.". Source Cambridge Dictionary.
What is the most common word on this page?A common word for your request is 'engaged'.
How many actual words can you put together using the combination specified?One could create 1,494 words from the combination you specified.
Which word on this page is made up of the largest number of letters?'Encephalographically', which consists of 20 characters.