Words that contain 't' and end in 'ty'

How many words are possible to make using the combination specified?
It's possible to derive 1,877 words with this combination.

What's the highest number of points you can get in Scrabble from this list of words that contain 't' and end in 'ty'?
With an overwhelming 1,877 entries, your best bet is 'oxyfatty' which scores 24 points overall.

Is there a word from this page that could be deemed as unusual in any manner?
We consider that 'chastity' to be the most interesting word. The traditional definition of 'chastity' is as follows: "1. The state of being chaste; purity of body; freedom from unlawful sexual intercourse. She . . . Hath preserved her spotless chastity. T. Carew. 2. Moral purity. So dear to heaven is saintly chastity, that, when a soul is found sicerely so A thousand liveried angels lackey her. Milton....". Credit to the Oxford Dictionary.

What's the most common word that has 't' in and ends with 'ty' in the dictionary?
The most popular word in this list is 'pretty', which happens to be the 629^th most popular word in this list.

What's the biggest word you can construct from words that have 't' in and end with 'ty'?
The longest word that's possible to assemble from this combination is 'magnetothermoelectricity', which has 24 characters.