15-Letter Words Matching _O____O________

There are 38 15-letter words that match _O____O________. 10 are common words, such as BOUNTEOUSNESSES and CONSCIOUSNESSES. A rarer one is WORRISOMENESSES. In this set, S is the most frequent open letter (33 words). 17 words contain a doubled letter.

Full list 38

Common words

bounteousnessesconsciousnessescosmopolitanismcourteousnessesloathsomenessesmomentousnessesnonintoxicatingnonrecognitionsponderousnessesvoraciousnessescollaborativelycongruousnesses
bounteousnessesconsciousnessescosmopolitanismcourteousnessesloathsomenessesmomentousnessesnonintoxicatingnonrecognitionsponderousnessesvoraciousnessescollaborativelycongruousnessescorticosteroidscorticosteronescosmopolitanizedolichocephalicforthcomingnesstoothsomenessesbourgeoisifyingboustrophedoniccommemorativelycomptrollershipconveyorizationcorticotrophinsmonopropellantsmonstrousnessesnonenforcementsnonimportationsnoninformationsnoninvolvementsnonrecombinantsnonsaponifiablepostadolescentspostapocalypticpostinoculationpostproductionswoebegonenessesworrisomenesses

About this list

Words
38 (10 common words)
Common example
bounteousnesses
Rare example
worrisomenesses
Doubled letters
17
Ending in S
25
Most frequent letter
S (33)

Questions

How many 15-letter words matching _o____o________ are there?

38. 10 of them are common words.

What is a common example?

BOUNTEOUSNESSES is among the common words in this set.