13-Letter Words Matching O____S_______

There are 23 13-letter words that match O____S_______. 8 are common words, such as OBSESSIVENESS and OBTRUSIVENESS. A rarer one is OVIPOSITIONAL. In this set, I is the most frequent open letter (19 words). 11 words contain a doubled letter.

Full list 23

obsessivenessobtrusivenessoffensivenessorchestratingorchestrationoutdistancingoverestimatedoverestimatesobsessionallyombudsmanshiporchestratorsorgiasticallyostensibilityoverassertiveonomasticallyonomasticiansoperosenessesorchestratersosteosarcomasoverassertingoverassertionoverissuancesovipositional

About this list

Words
23 (8 common words)
Common example
obsessiveness
Rare example
ovipositional
Doubled letters
11
Ending in S
10
Most frequent letter
I (19)

Questions

How many 13-letter words matching o____s_______ are there?

23. 8 of them are common words.

What is a common example?

OBSESSIVENESS is among the common words in this set.