Words that start with 'e' and contain 'rv'

Which word from this page is the most unique?
We feel 'effervescible' to be the most interesting word you can throw together. According to the Oxford dictionary, 'effervescible' is defined as "Capable of effervescing.".

In Scrabble, what's the highest possible score you can get using this list of words that start with 'e' and contain 'rv'?
From this particular combination, the best word to play is 'excurved' for a score of 21 in Scrabble.

What's the max number of words you can put together using this combination of letters?
From this list of words starting with 'e' that contain 'rv', Dictionarypedia has discovered 43 combinations which can be selected.

Which word from this list has the highest character count?
'effervescently'

Is there a word on this page that sticks out as the most popular?
As far as popular words go, there's 'enervating' which ranks as the 50527^th most common word.