11-Letter Words Matching ________EC_

There are 19 11-letter words that match ________EC_. 8 are common words, such as AFTEREFFECT and CENTERPIECE. A rarer one is SUPERINFECT. In this set, T is the most frequent open letter (17 words). 3 words contain a doubled letter.

Full list 19

aftereffectcenterpiececircumspectleatherneckmantelpiecemasterpieceoverprotectquarterdeckbibliothecapinnatisectstringpieceantisecrecykiloparsecsmegaparsecsmegaprojectmicroinjectovercorrectspermathecasuperinfect

About this list

Words
19 (8 common words)
Common example
aftereffect
Rare example
superinfect
Doubled letters
3
Ending in S
2
Most frequent letter
T (17)

Questions

How many 11-letter words matching ________ec_ are there?

19. 8 of them are common words.

What is a common example?

AFTEREFFECT is among the common words in this set.