Words that start with 'vo' and contain 'a'

Which word that starts with 'vo' and includes 'a' is the most unusual?
By far the most unusual word from this list is 'voluntary'. The definition of 'voluntary' is as follows: "1. Proceeding from the will; produced in or by an act of choice. That sin or guilt pertains exclusively to voluntary action is the true principle of orthodoxy. N. W. Taylor. 2. Unconstrained by the interference of another; unimpelled by the influence of another; not prompted or persuaded by another;...".

What's the highest possible score you could get in Scrabble using this list of words that start with 'vo' and contain 'a'?
As there are loads of words to decide on, your best option is 'vocalize' which scores 22 points.

How many acceptable words could one put together using the specified combination?
In total, it is possible to make 315 words.

What is the most popular word on this page?
There's 'voyage', which is the 2574^th most popular word.

What's the longest word you can assemble with words that start with 'vo' and include 'a'?
The word 'voltaelectrometric' has 18 characters.