Words beginning with 'har'

What is the largest word you can derive using this list?
The longest word is 15 characters, which is 'hardheartedness'.

What's the highest number of points you're able to get in Scrabble using this list of words that start with 'har'?
Given there are heaps of words to pick from, your best option is 'hardhack' which scores 21 points.

How many acceptable words can you make from words that start with 'har'?
There are 512 brilliant words for you to consider.

What's a peculiar word from the combinations possible ?
A good example of an uncommon word from this list is 'harborough'. The popular definition of 'harborough' is as follows: "A shelter. [Obs]. Spenser.".

Is there any word on this page that jumps out as the most popular?
There's 'hard' which ranks as the 517^th most popular word.