Words that start with 'str' and contain 'w'

Which word in particular from this list has the highest letter count?
There are 19 letters in the word 'straightforwardness', that makes it the biggest word we have.

In Scrabble, what is the best score possible using this list of words that start with 'str' and contain 'w'?
One can make 'strawhat' which scores 14 points.

How many actual words could one make using the specified combination?
You'll find 79 words all in all.

Is there any word on this page that stands out as the most common?
As far as well-known words go, there's 'straw', which is the 4980^th most common word.

Which is the most unusual word from this list?
The most notable word based on a recently conducted poll is 'straightway'. 'Straightway' is defined as "Immediately; without loss of time; without delay. He took the damsel by the hand, and said unto her, talitha cumi. . . . And straightway the damsel arose. Mark v. 41,42.", according to the dictionary.