Words with 'rep' at the start and 'r' at the end

What's an unusual word from all the word combos possible ?
Our team considers 'repudiator' to be the most peculiar word. The accepted definition of 'repudiator' is as follows: "One who repudiates.".

Which word on this page ranks as the most popular?
The most popular word is 'repair', which is actually the 6376^th most common word in the dictionary.

Which word in particular on this page is made up of the highest number of letters?
Try 'republicaniser', which contains 14 characters.

In Scrabble, what is the highest possible score possible from words with 'rep' at the start and 'r' at the end?
You can make 'repacker' scoring 16 points.

How many words is it possible to make using these particular combinations of letters?
Overall, it is feasible to make exactly 61 words.