11-Letter Words Matching _U________M

There are 17 11-letter words that match _U________M. 2 are common words, such as HUCKSTERISM and QUADRENNIUM. A rarer one is SUPREMATISM. In this set, S is the most frequent open letter (15 words). 4 words contain a doubled letter.

Full list 17

hucksterismquadrenniumautoerotismbuttercreamnucleoplasmsubdeliriumsuccedaneumsuperphylumsupersystemeudaemonismeudaimonismfunambulismgutturalismmultisystemquislingismsuperorgasmsuprematism

About this list

Words
17 (2 common words)
Common example
hucksterism
Rare example
suprematism
Doubled letters
4
Ending in S
0
Most frequent letter
S (15)

Questions

How many 11-letter words matching _u________m are there?

17. 2 of them are common words.

What is a common example?

HUCKSTERISM is among the common words in this set.