15-Letter Words Matching ___E_____C_____

There are 19 15-letter words that match ___E_____C_____. 6 are common words, such as DISENFRANCHISED and DISENFRANCHISES. A rarer one is SUPERINFECTIONS. In this set, I is the most frequent open letter (17 words). 3 words contain a doubled letter.

Full list 19

disenfranchiseddisenfranchisesdiversificationindemnificationintensificationsuperstructuresdesertificationobjectificationsuperstructuralallergenicitiesdecertificationhypertonicitieshypervelocitieslatensificationrecertificationstreptobacillussuperefficiencysuperinductionssuperinfections

About this list

Words
19 (6 common words)
Common example
disenfranchised
Rare example
superinfections
Doubled letters
3
Ending in S
8
Most frequent letter
I (17)

Questions

How many 15-letter words matching ___e_____c_____ are there?

19. 6 of them are common words.

What is a common example?

DISENFRANCHISED is among the common words in this set.