Words that start with 'oko' and contain 'h'

What's the max number of words you can put together using this combination of letters?
It looks like there's only 1 word using our page of words that start with 'oko' and include 'h'.

What's the highest scoring word in Scrabble with the above combination ?
Since there is only a single word available, you can only use the word 'okolehao' scoring 15 points.