Words with 'ne' at the start and 'u' at the end

What is the maximum number of words one is able to construct using this combination of letters?
Overall, there are up to 3 words.

What is the highest number of points you could get in Scrabble using this list of words with 'ne' at the start and 'u' at the end?
As there is merely a handful of words to choose from, your only feasible option is 'nembutsu' for a score of 12 points.

How many characters are in the longest word from this list?
The longest word is 8 characters, which is 'neengatu'.