13-Letter Words Matching _O_________U_

There are 22 13-letter words that match _O_________U_. 4 are common words, such as CONSCIENTIOUS and NONCONTAGIOUS. A rarer one is PORCELLANEOUS. 4 words contain a doubled letter.

Full list 22

conscientiousnoncontagiousnoncontinuousnoninfectiousboraginaceousconsentaneousforeconsciousfossiliferousnoncontiguousnonhomologouspolyadelphouszoosporangiumcondylomatousnonautonomousnongregariousnonindigenousnonleguminousnonmeaningfulnonmonogamousnonnutritiouspolychotomousporcellaneous

About this list

Words
22 (4 common words)
Common example
conscientious
Rare example
porcellaneous
Doubled letters
4
Ending in S
20

Questions

How many 13-letter words matching _o_________u_ are there?

22. 4 of them are common words.

What is a common example?

CONSCIENTIOUS is among the common words in this set.