12-Letter Words Matching ____U_____A_

There are 14 12-letter words that match ____U_____A_. 4 are common words, such as CONJUNCTIVAE and CONJUNCTIVAS. A rarer one is SANGUINARIAS. In this set, I is the most frequent open letter (13 words). 1 words contain a doubled letter.

Full list 14

conjunctivaeconjunctivasnoncustodialnonnumericalconjunctivalquaquaversalsubauricularubiquitarianconductorialepicuticularlinguisticalnonmunicipalproductionalsanguinarias

About this list

Words
14 (4 common words)
Common example
conjunctivae
Rare example
sanguinarias
Doubled letters
1
Ending in S
2
Most frequent letter
I (13)

Questions

How many 12-letter words matching ____u_____a_ are there?

14. 4 of them are common words.

What is a common example?

CONJUNCTIVAE is among the common words in this set.