15-Letter Words Matching _____EC________

There are 16 15-letter words that match _____EC________. 5 are common words, such as BIDIRECTIONALLY and INEFFECTIVENESS. A rarer one is SUBSPECIALIZING. In this set, I is the most frequent open letter (15 words). 5 words contain a doubled letter.

Full list 16

bidirectionallyineffectivenessnonspecializingunobjectionablevivisectionistsineffectualnessindefectibilitynephrectomizingnonelectrolytesnonspecificallyoverdecorationspaleoecologicalpaleoecologistspyrotechnicallysplenectomizingsubspecializing

About this list

Words
16 (5 common words)
Common example
bidirectionally
Rare example
subspecializing
Doubled letters
5
Ending in S
6
Most frequent letter
I (15)

Questions

How many 15-letter words matching _____ec________ are there?

16. 5 of them are common words.

What is a common example?

BIDIRECTIONALLY is among the common words in this set.