Words that start with 'n' and contain 'npl'

Which word that starts with 'n' and includes 'npl' is the most popular word?
We're able to confirm that 'nonplussed' is the 69524^th most common word.

What is the highest possible score you can get in Scrabble from this list of words that start with 'n' and contain 'npl'?
It is possible to make 'nonplane' which scores 10 points.

Is there an example of a word from this page that could be deemed as interesting?
The most weird word based on public feedback is 'nonplus'. According to the Oxford dictionary, 'nonplus' is defined as "A state or condition which daffles reason or confounds judgment; insuperable difficalty; inability to proceed or decide; puzzle; quandary. Both of them are a perfect nonplus and baffle to all human understanding. South. To puzzle; to confound; to perplex; to cause to stop by embarrassment. He has been nonplused by Mr....".

In total, how many words are there using this combination of letters?
On this page of words starting with 'n' that contain 'npl', you have 42 fantastic combinations that can be selected.

How many characters does the longest word on this list contain?
The longest word on this page is 'nonplatitudinously'. It has 18 characters.