8-Letter Words Matching ___YN___

There are 12 8-letter words that match ___YN___. 5 are common words, such as BUSYNESS and GRAYNESS. A rarer one is POLYNYAS. 5 words contain a doubled letter.

Full list 12

busynessgraynesslaryngeslarynxessprynessaroyntedawaynessdidynamyethynylsgreynesslaryngalpolynyas

About this list

Words
12 (5 common words)
Common example
busyness
Rare example
polynyas
Doubled letters
5
Ending in S
9

Questions

How many 8-letter words matching ___yn___ are there?

12. 5 of them are common words.

What is a common example?

BUSYNESS is among the common words in this set.