Words that start with 'ko' and contain 'o'

Which word from this list contains the largest number of characters?
There are 16 letters in the word 'koeberliniaceous', making it the longest word Dictionarypedia has.

Which word on this page stands out as the most common?
We're able to confirm that 'koko' is the 11953^rd most common word.

What is the most unusual word that starts with 'ko' and includes 'o'?
The most unusual word from this list is 'koodoo'. According to the Oxford dictionary, 'koodoo' means "A large South African antelope (Strepsiceros kudu). The males have graceful spiral horns, sometimes four feet long. The general color is reddish or grayish brown, with eight or nine white bands on each side, and a pale dorsal stripe. The old males become dark bluish gray, due to the skin...".

In Scrabble, what is the highest possible score possible from words starting with 'ko' that contain 'o'?
With the number of words to pick from, we would recommend opting for 'kolkhozy' scoring 31 points overall.

What's the max number of words one is able to assemble using words that start with 'ko' and include 'o'?
On this page of words that start with 'ko' and include 'o', you have 149 effective combinations which can be selected.