15-Letter Words Matching ___________ES__

There are 22 15-letter words that match ___________ES__. 2 are common words, such as PARTHENOGENESES and PARTHENOGENESIS. A rarer one is STEROIDOGENESIS. In this set, O is the most frequent open letter (22 words). 1 words contain a doubled letter.

Full list 22

parthenogenesesparthenogenesisanthropogenesesanthropogenesiselectrophoreseselectrophoresisgluconeogenesisglyconeogenesiscounterprotestselectrophoresedferromanganesesgluconeogenesesleukaemogenesesleukaemogenesisnucleosynthesesnucleosynthesispsychosynthesespsychosynthesisspermatogenesesspermatogenesissteroidogenesessteroidogenesis

About this list

Words
22 (2 common words)
Common example
parthenogeneses
Rare example
steroidogenesis
Doubled letters
1
Ending in S
21
Most frequent letter
O (22)

Questions

How many 15-letter words matching ___________es__ are there?

22. 2 of them are common words.

What is a common example?

PARTHENOGENESES is among the common words in this set.