Words with 'co' at the start and 'a' at the end

Is there any word on this page that sticks out as the most common?
We can confirm that 'contra' is the 11308^th most common word.

How many characters are in the longest word on this page?
There are 17 characters in the word 'counterpropaganda', making it the largest word on this list.

What is a weird word on this page of words that start with 'co' and end with 'a'?
The most strange word from this list is 'contra'. 'Contra''s definition is "A Latin adverb and preposition, signifying against, contrary, in opposition, etc., entering as a prefix into the composition of many English words. Cf. Counter, adv. & Pref.", according to the dictionary.

In total, how many words are there using this list?
On this page of words with 'co' at the start and 'a' at the end, Dictionarypedia has found 346 combinations that are available.

What's the highest score you could get in Scrabble from this list of words that start with 'co' and end with 'a'?
Since there are an overwhelming 346 entries, we would recommend going for 'cocuiza' scoring 20 points.