12-Letter Words Matching __Y______S__

There are 20 12-letter words that match __Y______S__. 6 are common words, such as BOYISHNESSES and ERYSIPELASES. A rarer one is PHYSICALISTS. In this set, S is the most frequent open letter (18 words). 5 words contain a doubled letter.

Full list 20

boyishnesseserysipelasesetymologistsjoyfulnessesjoyousnesseskeyboardistschymotrypsinglycogenesisphysicalismsphytogenesispsychognosiscrystallisedcrystallisesetymologisedetymologisesglycogenesesglycosidasesphycologistsphysiatristsphysicalists

About this list

Words
20 (6 common words)
Common example
boyishnesses
Rare example
physicalists
Doubled letters
5
Ending in S
17
Most frequent letter
S (18)

Questions

How many 12-letter words matching __y______s__ are there?

20. 6 of them are common words.

What is a common example?

BOYISHNESSES is among the common words in this set.