Words that start with 'o' and contain 'urv'

In Scrabble, what is the most points possible from words that start with 'o' and include 'urv'?
For a total of 13 points, you could use 'outcurve'.

How many words are possible to make using this combination of letters?
From this page of words that start with 'o' and contain 'urv', you have 5 entries which can be selected.

What is the longest word you can derive using words that start with 'o' and include 'urv'?
There are 13 letters in the word 'oversurviving', which makes it the biggest word on our list.