14-Letter Words Matching ____O___U_____

There are 15 14-letter words that match ____O___U_____. 4 are common words, such as CENSORIOUSNESS and HARMONIOUSNESS. A rarer one is PHOTOREDUCTION. 8 words contain a doubled letter.

Full list 15

censoriousnessharmoniousnessprecociousnesspurposefulnesscommodiousnessingloriousnessmicrostructurevictoriousnesseuphoniousnessmacrostructurenonconclusionsoxidoreductasephotoinductionphotoinductivephotoreduction

About this list

Words
15 (4 common words)
Common example
censoriousness
Rare example
photoreduction
Doubled letters
8
Ending in S
9

Questions

How many 14-letter words matching ____o___u_____ are there?

15. 4 of them are common words.

What is a common example?

CENSORIOUSNESS is among the common words in this set.