10-Letter Words Matching O_______U_

There are 14 10-letter words that match O_______U_. 6 are common words, such as OBSEQUIOUS and OESOPHAGUS. A rarer one is OSMIRIDIUM. 3 words contain a doubled letter.

Full list 14

obsequiousoesophagusoleaginousomnivorousopprobriumoutrageousobloquiousoceanariumoctamerousolivaceousommatidiumossiferousosmeteriumosmiridium

About this list

Words
14 (6 common words)
Common example
obsequious
Rare example
osmiridium
Doubled letters
3
Ending in S
9

Questions

How many 10-letter words matching o_______u_ are there?

14. 6 of them are common words.

What is a common example?

OBSEQUIOUS is among the common words in this set.