Words with 'ecg' at the start and 'e' at the end

In Scrabble, what's the highest number of points possible from words beginning with 'ecg' and ending with 'e'?
With only a single word to pick from, the only option you can play for is 'ecgonine' which scores 11 points.

What is the max number of words you are able to assemble using this combination of letters?
On this list of words beginning with 'ecg' and ending with 'e', there is solely 1 combination which is possible.