Words that contain 'is' and end in 'or'

Which word from this list consists the highest number of characters?
The largest word is 16 letters long, which is 'maladministrator'.

What's the highest possible score you could get in Scrabble using this list of words that have 'is' in and end with 'or'?
As there are a vast 146 entries, we'd suggest choosing 'excisor' scoring 16 points in total.

What's the most popular word that has 'is' in and ends with 'or' in the dictionary?
'Visitor' is the most popular word from this that have 'is' in and end with 'or', ranked 4741^st most common word.

What is an interesting word from this page?
Ranking as our favorite unusual word on this page is 'elisor'. It is defined as "An elector or chooser; one of two persons appointed by a court to return a jury or serve a writ when the sheriff and the coroners are disqualified.".

What is the total number of words you're able to put together using this list?
It is possible to derive 146 words using the specified letter combination.