15-Letter Words Matching ____________U__

There are 16 15-letter words that match ____________U__. 2 are common words, such as DISEQUILIBRIUMS and NONINTELLECTUAL. A rarer one is TECHNOSTRUCTURE. In this set, R is the most frequent open letter (15 words). 2 words contain a doubled letter.

Full list 16

disequilibriumsnonintellectualcounterpressuresuperindividualultracentrifugeantiforeclosurechondrocraniumsconglomerateursinterindividualinterperceptualmicrotechniquesnonarchitecturenonequilibriumspostdivestitureradiostrontiumstechnostructure

About this list

Words
16 (2 common words)
Common example
disequilibriums
Rare example
technostructure
Doubled letters
2
Ending in S
6
Most frequent letter
R (15)

Questions

How many 15-letter words matching ____________u__ are there?

16. 2 of them are common words.

What is a common example?

DISEQUILIBRIUMS is among the common words in this set.