12-Letter Words Matching __U_______O_

There are 18 12-letter words that match __U_______O_. 8 are common words, such as ADULTERATION and COUNTERTENOR. A rarer one is SOUTHERNWOOD. In this set, N is the most frequent open letter (16 words). 4 words contain a doubled letter.

Full list 18

adulterationcountertenorequalizationequivocationfluoridationfluorocarbonneurosurgeonstupefactioncounterprooffluorinationscutellationcaudillismoscountermemoselucubrationequilibratorfluidizationslumpflationsouthernwood

About this list

Words
18 (8 common words)
Common example
adulteration
Rare example
southernwood
Doubled letters
4
Ending in S
2
Most frequent letter
N (16)

Questions

How many 12-letter words matching __u_______o_ are there?

18. 8 of them are common words.

What is a common example?

ADULTERATION is among the common words in this set.