13-Letter Words Matching _Y________N__

There are 12 13-letter words that match _Y________N__. 1 are common words, such as DYSFUNCTIONAL and CYCLOPROPANES. A rarer one is TYPEFOUNDINGS. In this set, O is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 12

dysfunctionalcyclopropaneshydrocarboniccycloolefiniccyclosporinescytomembranesgyrofrequencyhydroquinoneshyperrationalhypoxanthinespyridoxaminestypefoundings

About this list

Words
12 (1 common words)
Common example
dysfunctional
Rare example
typefoundings
Doubled letters
2
Ending in S
7
Most frequent letter
O (12)

Questions

How many 13-letter words matching _y________n__ are there?

12. 1 of them are common words.

What is a common example?

DYSFUNCTIONAL is among the common words in this set.