Words that contain 'o' and end in 'ean'

What's the largest word you can create with this list?
The word 'pharyngoepiglottidean' contains 21 characters.

Is there an example word from this page of word that has 'o' in and ends with 'ean' that could be considered as unique?
The most strange word from this list is 'colossean'. It means "Colossal. [R.]".

What's the highest number of points you could get in Scrabble from this list of words containing 'o' and ending with 'ean'?
With a sizeable 307 entries, your best bet is to go for 'zoquean' which scores 25 points.

How many words is it possible to make using the combination specified?
You can create 307 words with the specified combination.

What is the most popular word that has 'o' in and ends with 'ean'?
'Ocean' is the most popular word from this page, ranked 3283^rd most common word.