11-Letter Words Matching ____Y_I____

There are 12 11-letter words that match ____Y_I____. 5 are common words, such as ANONYMITIES and ASPHYXIATED. A rarer one is PLATYFISHES. In this set, A is the most frequent open letter (10 words). 2 words contain a doubled letter.

Full list 12

anonymitiesasphyxiatedasphyxiatesjellyfishespantylinersasphyxiatordeoxyribosemartyrizingamoxycillinanalyticitybradykininsplatyfishes

About this list

Words
12 (5 common words)
Common example
anonymities
Rare example
platyfishes
Doubled letters
2
Ending in S
6
Most frequent letter
A (10)

Questions

How many 11-letter words matching ____y_i____ are there?

12. 5 of them are common words.

What is a common example?

ANONYMITIES is among the common words in this set.