Is there any word on this page that jumps out as the most common?The most well-known word for your request is 'ephemeral'.
What word that starts with 'eph' is the most unusual?The most strange word from this list is 'ephoral'. The dictionary defines it as "Pertaining to an ephor.".
What is the highest score you can get in Scrabble using this list of words that start with 'eph'?You can make 'ephydrid' which scores 18 in Scrabble.
How many letters are in the longest word on this page?There are 15 letters in the word 'ephemeromorphic', which makes it the longest word we have.
How many words could one make using the combination specified?It's possible to make 96 words from the specified combination.