Words that contain 'gr' and end in 'h'

Which word on this page ranks as the most common?
The most well-known word is 'paragraph', which in fact is the 1067^th most popular word in this list.

How many letters does the biggest word from this list contain?
The word 'photospectroheliograph' has 22 characters.

In Scrabble, what's the highest score possible from this list of words that have 'gr' in and end with 'h'?
Since there are heaps of words to choose from, you'll want to opt for 'exograph' scoring 21 points in total.

How many words could one make using the combination specified?
On this list of words containing 'gr' and ending with 'h', Dictionarypedia has discovered 506 entries that are available.

Is there an example of a word from this page of word that has 'gr' in and ends with 'h' which could be thought of as interesting?
The most peculiar word in this list is 'marconigraph'. The traditional definition of 'marconigraph' is as follows: "The apparatus used in Marconi wireless telegraphy. MARCONI'S LAW Mar*co"ni's law. (Wireless Teleg.) The law that the maximum good signaling distance varies directly as the square of the height of the transmitting antenna.". Credit goes to Oxford Dictionary.