Words that start with 'ni' and contain 'a'

What's a weird word from all the word combos possible on this page?
Arguably one of the most interesting words from this list is 'nightfall'. The dictionary defines it as "The close of the day. Swift.".

What's the max number of words you're able to put together using words that start with 'ni' and include 'a'?
There are 287 words which address your query.

What is the highest score you could get in Scrabble using this list of words starting with 'ni' that contain 'a'?
Given there are an overwhelming 287 entries, your best choice is to consider 'nicknack' which scores 20 points.

Is there a word on this page that sticks out as the most common?
There's 'nightfall' which ranks as the 13306^th most common word.

Which word in particular from this list is made up of the largest number of letters?
The word 'nitrotrichloromethane' contains 21 characters.