14-Letter Words Matching F_____O_______

There are 12 14-letter words that match F_____O_______. 2 are common words, such as FOREKNOWLEDGES and FORESHORTENING. A rarer one is FRICTIONLESSLY. 3 words contain a doubled letter.

Full list 12

foreknowledgesforeshorteningferroconcretesfideicommissumforethoughtfulfunctionalismsfunctionalistsfibrinopeptidefractionalizedfractionalizesfractionationsfrictionlessly

About this list

Words
12 (2 common words)
Common example
foreknowledges
Rare example
frictionlessly
Doubled letters
3
Ending in S
6

Questions

How many 14-letter words matching f_____o_______ are there?

12. 2 of them are common words.

What is a common example?

FOREKNOWLEDGES is among the common words in this set.