Words that include 'top'

In Scrabble, what's the highest number of points you can get using words that include 'top'?
With a plethora of words to decide on, it's best to opt for 'furzetop' scoring 22 points.

Which is the most unusual word with 'top' in them?
One of the most peculiar words from this list of words with 'top' in them is 'protopope'. The standard definition of 'protopope' is as follows: "One of the clergy of first rank in the lower order of secular clergy; an archpriest; -- called also protopapas.". Source Oxford Dictionary.

Which word with 'top' in them is the most popular word?
As far as well-known words go, there's 'stopped' which ranks as the 949^th most common word.

How many words could one make using the specified combination?
There are 1,488 words available using words with 'top' in them.

What is the longest word you can create with words with 'top' in them?
The longest word found by Dictionarypedia is 'aminoacetophenetidine'. It is made up 21 characters.