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

How many acceptable words are possible to put together from words that start with 'rio' and end with 'e'?
Unfortunately there is only 1 word.

In Scrabble, what is the highest number of points possible from words with 'rio' at the start and 'e' at the end?
As there is only 1 entry possible, you're forced to use 'riotise' for a score of 7 points.