12-Letter Words Matching ________YS__

There are 13 12-letter words that match ________YS__. 2 are common words, such as ELECTROLYSES and ELECTROLYSIS. A rarer one is ZYGAPOPHYSES. In this set, O is the most frequent open letter (13 words). 0 words contain a doubled letter.

Full list 13

electrolyseselectrolysisbiocatalystsfibrinolysesfibrinolysinfibrinolysishemodialyseshemodialysiszygapophysisoveranalysesoveranalysisstreptolysinzygapophyses

About this list

Words
13 (2 common words)
Common example
electrolyses
Rare example
zygapophyses
Doubled letters
0
Ending in S
11
Most frequent letter
O (13)

Questions

How many 12-letter words matching ________ys__ are there?

13. 2 of them are common words.

What is a common example?

ELECTROLYSES is among the common words in this set.