15-Letter Words Matching _________EC____

There are 20 15-letter words that match _________EC____. 3 are common words, such as INTERCONNECTING and INTERCONNECTION. A rarer one is RETROREFLECTORS. In this set, T is the most frequent open letter (20 words). 6 words contain a doubled letter.

Full list 20

interconnectinginterconnectionnonintellectualantivivisectioncholecystectomycountercheckinghypercorrectionnonintersectingintersubjectivemagnetoelectricmicrodissectionmicroprojectionmicroprojectorsmisrecollectionnonarchitectureradioprotectionradioprotectiveretroreflectionretroreflectiveretroreflectors

About this list

Words
20 (3 common words)
Common example
interconnecting
Rare example
retroreflectors
Doubled letters
6
Ending in S
2
Most frequent letter
T (20)

Questions

How many 15-letter words matching _________ec____ are there?

20. 3 of them are common words.

What is a common example?

INTERCONNECTING is among the common words in this set.