Words with 'r' as the first letter that end with 'ca'

How many characters does the longest word on this page contain?
The word 'rhamphotheca' has 12 characters.

Is there any word on this page that jumps out as the most common?
The most common word is 'replica', which in fact is the 64706^th most popular word in the dictionary.

How many words could one put together using the combination specified?
You can choose from up to a maximum of 11 entries that address your query.

In Scrabble, what's the best score possible from words that start with 'r' and end with 'ca'?
Using this particular combination, the best word you ought to play is 'rebecca' which gets 13 points.

Which is the most unusual word from this page?
'Rhinotheca' certainly ranks as the most interesting word in our list of words that start with 'r' and end with 'ca'. 'Rhinotheca''s definition is "The sheath of the upper mandible of a bird.", according to the English dictionary.