Is there a word on this page that stands out as the most common?A common word for the combination you requested is 'xvi'.
How many letters are in the longest word on this list?'xviii'.
In total, how many words is it possible to make using the combination specified?It's possible to create 3 words with the specified combination.
In Scrabble, what's the highest score you can get using words beginning with 'xv'?As there is merely 3 combinations possible, your only feasible word is 'xviii' for a total score of 15 points.