Words that include 'oil'

What's the most popular word for this page?
The most common word is 'soil', which happens to be the 2169^th most popular word in the dictionary.

Which word from this list is the most unique?
An example of a weird word from this page goes to 'accoil'. 'Accoil''s definition is "1. To gather together; to collect. [Obs.] Spenser. 2. (Naut.) To coil together. Ham. Nav. Encyc.", according to the dictionary.

What is the total number of words you're able to make from words with 'oil' in them?
On this page of words containing 'oil', Dictionarypedia has found 477 brilliant combinations that can be selected.

What is the biggest word you can construct using this list?
There are 19 letters in the word 'cholecystoileostomy', which makes it the biggest word Dictionarypedia has.

What's the highest score you could get in Scrabble from this list of words that include 'oil'?
Given there are a sizeable 477 entries, your best option is to go for 'hexafoil' scoring 21 points.