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

How many usable words can you make from this combination of letters?
There are up to 740 entries covering all variations.

What is the biggest word you can assemble from the combination specified?
The word 'noncontemporaneousness' has 22 characters.

Which word on this page is the most common?
As far as well-known words go, there's 'nous' which ranks as the 643^rd most popular word.

What is the most interesting word that starts with 'n' and includes 'ous'?
We feel that 'nefarious' to be the most weird word on this page. 'Nefarious' is defined as "Wicked in the extreme; abominable; iniquitous; atrociously villainous; execrable; detestably vile. Syn. -- Iniquitous; detestable; horrible; heinious; atrocious; infamous; impious. See Iniquitous. -- Ne*fa"ri*ous*ly, adv. -- Ne*fa"ri*ous*ness, n.", according to the dictionary.

What's the highest scoring word you can play in Scrabble ?
With a myriad of words to choose from, it's best to select 'noxious' scoring 14 points in total.