Words that contain 'ha' and end in 'n'

In total, how many words are possible to make using this combination of letters?
It's possible to make 981 words using this list.

Which word from this list is made up of the highest number of characters?
There are 24 letters in the word 'tetraiodophenolphthalein', that makes it the longest word we have.

What is an interesting word on this page?
The most interesting word from this list is 'hain'. The dictionary defines it as "To inclose for mowing; to set aside for grass. "A ground . . . Hained in." Holland. To inclose for mowing; to set aside for grass. "A ground . . . Hained in." Holland. HAIN'T Hain't . A contraction of have not or has not; as, i hain't, he...".

What is the highest possible score you can get in Scrabble from this list of words that have 'ha' in and end with 'n'?
As there are an enormous 981 entries, you should opt for 'chazzan' which scores 30 points overall.

Is there a word on this page that jumps out as the most common?
We've identified that 'than' is the 70^th most common word.