13-Letter Words Matching ____E___C____

There are 40 13-letter words that match ____E___C____. 20 are common words, such as AUTHENTICALLY and AUTHENTICATED. A rarer one is OBSTETRICALLY. In this set, I is the most frequent open letter (35 words). 14 words contain a doubled letter.

Full list 40

Common words

authenticallyauthenticatedauthenticatesdiametricallydisrespectfuldisrespectinggeometricallyisometricallymotherfuckersmotherfuckingnonsensicallyobstetricians
authenticallyauthenticatedauthenticatesdiametricallydisrespectfuldisrespectinggeometricallyisometricallymotherfuckersmotherfuckingnonsensicallyobstetriciansoverexercisedoverexercisesperpendicularpumpernickelsrubberneckersrubberneckingsymmetricallyunspectacularauthenticatorconveyancingsdialecticallydialecticiansfrumentaceousgeometriciansnonreflectingprolepticallyproteinaceoussustentacularbiometriciansconferencingsconventiclersdyspepticallyepilepticallyfingerpickinghypoeutectoidjabberwockiesnonretractileobstetrically

About this list

Words
40 (20 common words)
Common example
authentically
Rare example
obstetrically
Doubled letters
14
Ending in S
15
Most frequent letter
I (35)

Questions

How many 13-letter words matching ____e___c____ are there?

40. 20 of them are common words.

What is a common example?

AUTHENTICALLY is among the common words in this set.