12-Letter Words Matching ______U__S__

There are 20 12-letter words that match ______U__S__. 11 are common words, such as CONTIGUOUSLY and CONTINUOUSLY. A rarer one is RANUNCULUSES. In this set, S is the most frequent open letter (16 words). 3 words contain a doubled letter.

Full list 20

contiguouslycontinuouslyincestuouslyminiaturistsopportunismsopportunistsparachutiststuberculosestuberculosistumultuouslyvoluptuouslyadventurismsadventuristsaeroneurosisfurunculosisallosaurusesfunambulismsfunambulistsfurunculosesranunculuses

About this list

Words
20 (11 common words)
Common example
contiguously
Rare example
ranunculuses
Doubled letters
3
Ending in S
15
Most frequent letter
S (16)

Questions

How many 12-letter words matching ______u__s__ are there?

20. 11 of them are common words.

What is a common example?

CONTIGUOUSLY is among the common words in this set.