Words with 'liv' at the start and 'h' at the end

How many characters does the longest word from this list consist of?
'Liverish', which contains 8 characters.

What's the highest number of points you could get in Scrabble from this list of words beginning with 'liv' and ending with 'h'?
As there is only a small number of words to pick from, you are forced to use 'liverish' scoring 14 points.

Is there a word on this page that jumps out as the most common?
We've identified that 'liveth' is the 22944^th most common word.

What's the max number of words one is able to make using words that start with 'liv' and end with 'h'?
All in all, there are exactly 3 words.