How many words could one put together from words that start with 'e' and include 'rie'?From this page of words that start with 'e' and contain 'rie', there are 64 entries that are available overall.
What is a peculiar word from this page?By far the most strange word from this list is 'ecurie'. The accepted definition of 'ecurie' is as follows: "A stable.". Source Cambridge Dictionary.
What is the longest word you can create with this list?There are 17 characters in the word 'experientialistic', making it the longest word Dictionarypedia has.
What is the highest scoring word you can play in Scrabble ?For a score of 17 points, you could use 'expiries'.
Which word on this page ranks as the most common?A well-known word for the combination you requested is 'experience'.