Words with 'che' at the start and 'n' at the end

What is the highest scoring word in Scrabble with the requested combination ?
From this combination of letters, you could play 'chequeen' which scores 22 in Scrabble.

How many letters are in the longest word on this page?
The largest word is 15 letters, which is 'chemicalization'.

What's the max number of words you could construct using words that start with 'che' and end with 'n'?
From this page of words with 'che' at the start and 'n' at the end, there are 44 amazing combinations that are possible altogether.

Is there an example of a word from this page of word that starts with 'che' and ends with 'n' which might be considered as unusual?
'Checkrein' is definitely the most weird word in our list of words that start with 'che' and end with 'n'. 'Checkrein' is defined as "1. A short rein looped over the check hook to prevent a horse from lowering his head; -- called also a bearing rein. 2. A branch rein connecting the driving rein of one horse of a span or pair with the bit of the other horse.", according to the dictionary.

Which word that starts with 'che' and ends with 'n' is the most popular word?
There's 'chemin', which is the 10042^nd most popular word.