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

How many letters are in the longest word on this page?
The longest word is 14 characters long, which is 'glucofrangulin'.

What is an example of a unusual word that starts with 'glu' and ends with 'n'?
We consider 'gluten' to be the most peculiar word you can throw together. The definition of 'gluten' is as follows: "The viscid, tenacious substance which gives adhesiveness to dough. Note: Gluten is a complex and variable mixture of glutin or gliadin, vegetable fibrin, vegetable casein, oily material, etc., and ia a very nutritious element of food. It may be separated from the flour of grain by subjecting this to a...".

How many usable words could one make using the specified combination?
You can choose from up to a maximum of 17 entries that address your query.

What is the highest scoring word you can play in Scrabble ?
For 15 points, you could play 'gluhwein'.

Which word that starts with 'glu' and ends with 'n' is the most common word in the dictionary?
There's 'glutton' which is the 49415^th most popular word.