11-Letter Words Matching ____T__F___

There are 18 11-letter words that match ____T__F___. 7 are common words, such as COUNTERFEIT and COUNTERFOIL. A rarer one is RIJSTTAFELS. In this set, E is the most frequent open letter (18 words). 2 words contain a doubled letter.

Full list 18

counterfeitcounterfoilcountrifiedelectrifiedelectrifierelectrifiesunsatisfieddenitrifieddenitrifiesdevitrifieddevitrifieselectroformcounterfirecounterflowcountryfieddenitrifierplatterfulsrijsttafels

About this list

Words
18 (7 common words)
Common example
counterfeit
Rare example
rijsttafels
Doubled letters
2
Ending in S
5
Most frequent letter
E (18)

Questions

How many 11-letter words matching ____t__f___ are there?

18. 7 of them are common words.

What is a common example?

COUNTERFEIT is among the common words in this set.