Words with 'p' as the first letter that end with 'ys'

How many letters does the longest word from this list contain?
'Phyllostachys'

What is the most common word that starts with 'p' and ends with 'ys' in the dictionary?
Ranking as the 3909^th most common word, you will want to ensure you've got 'plays' in your arsenal.

How many possible words can you make using these particular combinations of letters?
54!

What is an unusual word from this page of words that start with 'p' and end with 'ys'?
One of the most unusual words from this list is 'pterichthys'. 'Pterichthys' is defined as "A genus of Devonian fossil fishes with winglike appendages. The head and most of the body were covered with large bony plates. See Placodermi.", according to the English dictionary.

What's the highest scoring word you can play in Scrabble ?
It is possible to make 'parkways' scoring 20 points in Scrabble.