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

Which word that starts with 'do' and ends with 'r' is the most common word?
A well-known word for the combination you requested is 'door'.

What is a peculiar word from this list of words that start with 'do' and end with 'r'?
Ranking as the most weird word on this page is 'doubter'. It is defined as "One who doubts; one whose opinion is unsettled; one who scruples.".

What's the biggest word you can create from words that start with 'do' and end with 'r'?
The word 'dorsoepitrochlear' contains 17 characters.

What's the maximum number of words one is able to construct using this combination of letters?
From this page of words that start with 'do' and end with 'r', there are 137 entries which can be selected.

What's the highest possible score you can get in Scrabble using this list of words with 'do' at the start and 'r' at the end?
With the volume of words to select from, you should opt for 'douzeper' which scores 20 points.