Words with 'c' as the first letter that end with 'hia'

What is the total number of words one is able to assemble from words that start with 'c' and end with 'hia'?
It's possible to make 23 words with the specified combination.

What's the best score you could get in Scrabble using this list of words beginning with 'c' and ending with 'hia'?
For 17 points, you could use 'chechia'.

What's the largest word you can assemble using the combination of letters searched for?
The longest word is 17 letters long, which is 'chondrodystrophia'.