14-Letter Words Matching _____Y_______S

There are 15 14-letter words that match _____Y_______S. 4 are common words, such as DICOTYLEDONOUS and ICHTHYOLOGISTS. A rarer one is PLETHYSMOGRAMS. In this set, O is the most frequent open letter (14 words). 3 words contain a doubled letter.

Full list 15

dicotyledonousichthyologistsidiosyncrasiesstaphylococcusapocryphalnesschlamydosporescockeyednessesepiphytologieshemacytometershemocytometershomozygositiesichthyophagouslachrymositiesphencyclidinesplethysmograms

About this list

Words
15 (4 common words)
Common example
dicotyledonous
Rare example
plethysmograms
Doubled letters
3
Ending in S
15
Most frequent letter
O (14)

Questions

How many 14-letter words matching _____y_______s are there?

15. 4 of them are common words.

What is a common example?

DICOTYLEDONOUS is among the common words in this set.