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

Which word from this list has the largest character count?
'radiotelegraphically'

In total, how many words are possible to make using the combination of letters specified?
On this page of words starting with 'r' that contain 'ad', Dictionarypedia has found 718 entries that are available.

What's the highest number of points you could get in Scrabble using this list of words that start with 'r' and contain 'ad'?
With a considerable 718 entries, you may want to pick 'radzimir' which scores 20 points.

Which word that starts with 'r' and includes 'ad' is the most common word in the dictionary?
There's 'read' which is the 373^rd most popular word.

Is there a word from this page which might be considered as unique?
Standing as our favorite strange word on this page is 'radiale'. The definition of 'radiale' is as follows: "1. (Anat.) The bone or cartilage of the carpus which articulates with the radius and corresponds to the scaphoid bone in man. 2. Pl. (Zoöl.) Radial plates in the calyx of a crinoid.".