Words with 'y' as the first letter that end with 'rva'

What is the total number of words you could assemble using this combination of letters?
From this list of words that start with 'y' and end with 'rva', there is only 1 entry that is available overall.

In Scrabble, what is the most points you can get from words that start with 'y' and end with 'rva'?
As there is only 1 entry to pick from, you can only play 'yerva' which totals 11 points.