Words that start with 'yi' and contain 's'

What's the largest word you can derive from this list?
'Yieldableness' is made up of 13 letters, and is the biggest word you can make from this list.

What's the most popular word for this page?
'Yields' is the most popular word from this list, ranked 11311^th most common word.

In Scrabble, what is the highest score possible from this list of words starting with 'yi' that contain 's'?
From this particular combination, it is possible to make 'yiddish' which scores 15 points in Scrabble.

In total, how many words are there using the combination requested?
It is possible to create 20 words from the specified combination.

Which is the most unusual word that starts with 'yi' and includes 's'?
There are numerous unusual words on this page, although our favorite word right now is 'yiddisher'. According to the dictionary, 'yiddisher' means "A Yid. [Slang]".