Which word on this page is the most common?The most common word for the combination you requested is 'rhythm'.
Is there an example of a particular word from this page which might be deemed as unique in any manner?One of the most peculiar words from this list is 'rhizocarpous'. The dictionary defines it as "Having perennial rootstocks or bulbs, but annual flowering stems; -- said of all perennial herbs.".
What's the max number of words you are able to construct from this list?It is possible to make 690 words from this combination.
In Scrabble, what is the most points possible from words which start with 'rh'?Given there are an overwhelming 690 entries, your best choice is 'rhizomic' scoring 24 points.
Which word from this list has the largest character count?Try 'rhodobacterioideae'