Words that start with 'na' and contain 'o'

What is the most common word that starts with 'na' and includes 'o' in the dictionary?
A popular word for the combination you requested is 'nation'.

Which word in particular on this page consists the highest number of letters?
The longest word on this list is 'naphthylaminesulphonic'. It consists of 22 letters.

Is there an example word from this page of word that starts with 'na' and includes 'o' that could be deemed as unique in any regard?
We feel that 'nataloin' to be the most peculiar word. The typical definition of 'nataloin' is as follows: "A bitter crystalline substance constituting the essential principle of Natal aloes. Cf. Aloon.".

What is the max number of words you are able to assemble from this combination of letters?
There are a maximum of 385 entries using our list of words that start with 'na' and contain 'o'.

What is the highest number of points you can get in Scrabble using this list of words starting with 'na' that contain 'o'?
Since there are a considerable 385 entries, your best choice is to choose 'navajos' which scores 17 points in total.