15-Letter Words Matching O_____I________

There are 15 15-letter words that match O_____I________. 5 are common words, such as OBJECTIVENESSES and OBSESSIVENESSES. A rarer one is OVOVIVIPAROUSLY. In this set, N is the most frequent open letter (14 words). 5 words contain a doubled letter.

Full list 15

objectivenessesobsessivenessesobtrusivenessesoffensivenessesoverstimulatingobjectificationobjectivizationoverstimulationoperationalismsoperationalistsoperativenessesoutmanipulatingoveropinionatedoverutilizationovoviviparously

About this list

Words
15 (5 common words)
Common example
objectivenesses
Rare example
ovoviviparously
Doubled letters
5
Ending in S
7
Most frequent letter
N (14)

Questions

How many 15-letter words matching o_____i________ are there?

15. 5 of them are common words.

What is a common example?

OBJECTIVENESSES is among the common words in this set.