Words that start with 'v' and contain 'apo'

In total, how many words are available using the combination of letters requested?
From this list of words that start with 'v' and contain 'apo', there are 85 brilliant combinations which can be selected.

What is the most common word that starts with 'v' and includes 'apo' in the dictionary?
As far as popular words go, there's 'vapor', which ranks as the 14926^th most popular word.

What word that starts with 'v' and includes 'apo' is the most unusual?
The most peculiar word from this list is 'vaporific'. According to the Oxford dictionary, 'vaporific' means "Producing vapor; tending to pass, or to cause to pass, into vapor; thus, volatile fluids are vaporific; heat is a vaporific agent.".

What is the highest score you can get in Scrabble using this list of words starting with 'v' that contain 'apo'?
One could make 'vaporize' for a total score of 22 points.

Which word from this list has the highest letter count?
'Vapocauterization' is the longest word that the Dictionarypedia database could locate. It has 17 letters.