Words that start with 'd' and contain 'nn'

How many letters are in the largest word on this page?
'Dacryocystoblennorrhea' is the longest word that we could find.

Which is the most unique word from this page?
A good example of a strange word from this list goes to 'drunkenness'. 'Drunkenness''s definition is "1. The state of being drunken with, or as with, alcoholic liquor; intoxication; inebriety; -- used of the casual state or the habit. The Lacedemonians trained up their children to hate drunkenness by bringing a drunken man into their company. I. Watts. 2. Disorder of the faculties, resembling intoxication by...", according to the dictionary.

What's the most common word that starts with 'd' and includes 'nn'?
'Dinner' is the most popular word from this that start with 'd' and include 'nn', ranked 947^th most common word.

What is the max number of words you are able to create using this combination of letters?
It is possible to assemble 135 words using the specified combination.

What is the highest number of points you're able to get in Scrabble using this list of words starting with 'd' that contain 'nn'?
Since there are a considerable 135 entries, your best bet is to go for 'djinny' scoring 17 points overall.