11-Letter Words Matching F_D________

There are 12 11-letter words that match F_D________. 6 are common words, such as FEDERALISMS and FEDERALISTS. A rarer one is FIDDLEBACKS. In this set, E is the most frequent open letter (12 words). 5 words contain a doubled letter.

Full list 12

federalismsfederalistsfederalizedfederalizesfederationsfiduciariesfaddishnessfiddleheadsfiddlestickfidgetinessfederalesesfiddlebacks

About this list

Words
12 (6 common words)
Common example
federalisms
Rare example
fiddlebacks
Doubled letters
5
Ending in S
10
Most frequent letter
E (12)

Questions

How many 11-letter words matching f_d________ are there?

12. 6 of them are common words.

What is a common example?

FEDERALISMS is among the common words in this set.