Words with 'z' as the first letter that end with 'ts'

Which word on this page ranks as the most common?
There's 'zealots' which is the 60940^th most common word.

What's the total number of words you can create from this list?
On this page of words that start with 'z' and end with 'ts', you have 10 combinations which are possible.

How many letters are in the largest word on this list?
There are 10 characters in the word 'zitherists', that makes it the largest word we have.

What is the highest number of points you can get in Scrabble using this list of words beginning with 'z' and ending with 'ts'?
For 21 points in Scrabble, you can play 'zikurats'.