15-Letter Words Matching _____O____O____

There are 24 15-letter words that match _____O____O____. 2 are common words, such as CARDIOPULMONARY and HETEROGENEOUSLY. A rarer one is UNREVOLUTIONARY. 6 words contain a doubled letter.

Full list 24

cardiopulmonaryheterogeneouslylepidopterologypneumonectomiespsychobiologistpsychoneuroticspsychopathologyantiforeclosurechronobiologieschronobiologistcryptozoologiescryptozoologistepizootiologiesimmunopathologylymphosarcomatamontmorillonitenonprofessorialphysiopathologypseudocoelomatepsychobiologiespsychohistorianpsychohistoriesthermoperiodismunrevolutionary

About this list

Words
24 (2 common words)
Common example
cardiopulmonary
Rare example
unrevolutionary
Doubled letters
6
Ending in S
7

Questions

How many 15-letter words matching _____o____o____ are there?

24. 2 of them are common words.

What is a common example?

CARDIOPULMONARY is among the common words in this set.