Words with 't' as the first letter that end with 'ths'

What is the highest number of points you can get in Scrabble using this list of words that start with 't' and end with 'ths'?
For 17 points, it is possible to use 'twelfths'.

Which word that starts with 't' and ends with 'ths' is the most common word?
We're able to verify that 'truths' is the 7396^th most common word.

How many characters does the longest word from this list contain?
'Twelvemonths' is the largest word that we could locate, made up of 12 letters

In total, how many words can one make using these particular combinations of letters?
It is possible to make 22 words from the specified letter combination.