13-Letter Words Matching F__R_________

There are 17 13-letter words that match F__R_________. 4 are common words, such as FEARFULNESSES and FERROMAGNETIC. A rarer one is FLORISTICALLY. In this set, I is the most frequent open letter (15 words). 11 words contain a doubled letter.

Full list 17

fearfulnessesferromagneticfibrillationsflirtatiouslyferricyanidesferrochromiumferroconcreteferrocyanidesferroelectricfibrinolysinsfibrovascularfloriculturesferrimagneticferrosiliconsfibrosarcomasfloriculturalfloristically

About this list

Words
17 (4 common words)
Common example
fearfulnesses
Rare example
floristically
Doubled letters
11
Ending in S
8
Most frequent letter
I (15)

Questions

How many 13-letter words matching f__r_________ are there?

17. 4 of them are common words.

What is a common example?

FEARFULNESSES is among the common words in this set.