Words with 'd' as the first letter that end with 'ing'

What is the max number of words you're able to assemble from words that start with 'd' and end with 'ing'?
You can pick from up to 1,128 entries.

Which word that starts with 'd' and ends with 'ing' is the most common word in the dictionary?
The most popular word is 'during', which is in fact the 409^th most popular word in the dictionary.

What is an example of a interesting word from this page?
The most stand out word based on public feedback is 'doubling'. According to the English dictionary, 'doubling' means "1. The act of one that doubles; a making double; reduplication; also, that which is doubled. 2. A turning and winding; as, the doubling of a hunted hare; shift; trick; artifice. Dryden. 3. (Her.) The lining of the mantle borne about the shield or escutcheon. 4. The process of...".

What's the best score you could get in Scrabble from this list of words beginning with 'd' and ending with 'ing'?
Given there are an overwhelming 1,128 entries, you may want to try 'dizzying' which scores 31 points.

What is the longest word you can create using words that start with 'd' and end with 'ing'?
'Dedifferentiating'