Words with 'rue' at the start and 'a' at the end

What's the max number of words you could make using this combination of letters?
Regrettably there's only 1 entry on our list of words beginning with 'rue' and ending with 'a'.

What is the highest scoring word you can play in Scrabble ?
As there is only a single word to choose from, the only option you can go for is 'ruellia' for a total score of 7 points.