12-Letter Words Matching ___U______U_

There are 13 12-letter words that match ___U______U_. 5 are common words, such as CUMULONIMBUS and INAUSPICIOUS. A rarer one is VIRULIFEROUS. In this set, S is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 13

cumulonimbusinauspiciouspseudonymoussimultaneousunsuccessfulinfundibulumpneumococcusunsuspiciousnonunanimouspseudopodiumsalutiferousslaughterousviruliferous

About this list

Words
13 (5 common words)
Common example
cumulonimbus
Rare example
viruliferous
Doubled letters
2
Ending in S
10
Most frequent letter
S (12)

Questions

How many 12-letter words matching ___u______u_ are there?

13. 5 of them are common words.

What is a common example?

CUMULONIMBUS is among the common words in this set.