Words that start with 'r' and contain 'egr'

Is there a distinct word from this page of word that starts with 'r' and includes 'egr' which might be deemed as interesting?
The most peculiar word from this page is 'regreet'. The dictionary defines it as "To greet again; to resalute; to return a salutation to; to greet. Shak. A return or exchange of salutation.".

What's the highest scoring word you can play in Scrabble ?
As there are a multitude of words to pick from, your best choice is to go for 'regrowth' scoring 15 points.

In total, how many words are there using these particular combinations of letters?
On this list of words that start with 'r' and include 'egr', you have 128 entries which are possible.

Is there a word on this page that sticks out as the most popular?
Rating as the 2725^th most popular word, you will want to ensure you've got 'regret' in your arsenal.

What's the longest word you can construct using the combination specified?
There are 20 letters in the word 'radiotelegraphically', that makes it the biggest word on our page.