Words that start with 'add' and contain 't'

Is there a distinct word from this page that could be deemed as unusual?
A good example of an unusual word from this list is 'additory'. The dictionary defines it as "Tending to add; making some addition. [R.] Arbuthnot.".

What's the highest scoring word in Scrabble available from this list ?
Our recommendation for a score of 13 points is playing the word 'addebted'.

What's the total number of words you can construct using this combination of letters?
It is possible to make 53 words using the specified combination.

How many letters does the biggest word on this list consist of?
The longest word is 14 letters, which is 'addlepatedness'.

Is there any word on this page that jumps out as the most popular?
The most popular word in the dictionary according to our system is 'additional', which is in fact the 1321^st most common word in the dictionary.