12-Letter Words Matching __O_____U___

There are 22 12-letter words that match __O_____U___. 10 are common words, such as AFORETHOUGHT and BRONTOSAURUS. A rarer one is PROTHALLUSES. In this set, R is the most frequent open letter (19 words). 4 words contain a doubled letter.

Full list 22

aforethoughtbrontosaurusphosphorusesprodigiouslypromptitudespropitiouslyprospectusesprosperouslythoughtfullytrolleybusesidolatrouslyphosphaturiapropaedeuticbiomolecularbiomoleculesgeopressuredgroupusculesphotoinducedphotoreducedphotoreducespronucleusesprothalluses

About this list

Words
22 (10 common words)
Common example
aforethought
Rare example
prothalluses
Doubled letters
4
Ending in S
10
Most frequent letter
R (19)

Questions

How many 12-letter words matching __o_____u___ are there?

22. 10 of them are common words.

What is a common example?

AFORETHOUGHT is among the common words in this set.