Words that start with 'c' and contain 'nat'

How many letters does the longest word from this list consist of?
The word 'counterindoctrination' has 21 characters.

Which word that starts with 'c' and includes 'nat' is the most common word?
The most well-known word in this list is 'combination', which happens to be the 4995^th most common word in this list.

What's an unusual word on this list of words that start with 'c' and include 'nat'?
One of the most weird words from this list is 'carnation'. According to the Oxford dictionary, 'carnation' means "1. The natural color of flesh; rosy pink. Her complexion of the delicate carnation. Ld. Lytton. 2. Pl. (Paint.) Those parts of a picture in which the human body or any part of it is represented in full color; the flesh tints. The flesh tints in painting are termed...".

What's the total number of words one can create from words that start with 'c' and include 'nat'?
In total, you could make 300 words.

In Scrabble, what is the highest score possible using words that start with 'c' and include 'nat'?
With an overwhelming 300 entries, your best choice is to consider 'cenatory' scoring 13 points in total.