12-Letter Words Containing RFI

There are 13 12-letter words that contain RFI. 6 are common words, such as CHESTERFIELD and PERFIDIOUSLY. A rarer one is GUITARFISHES. In this set, E is the most frequent open letter (12 words). 2 words contain a doubled letter.

Full list 13

chesterfieldperfidiouslyquarterfinalsilverfishesspearfishingwindsurfingsdwarfishnessanglerfishesarcherfishesbutterfishescounterfiredcounterfiresguitarfishes

About this list

Words
13 (6 common words)
Common example
chesterfield
Rare example
guitarfishes
Doubled letters
2
Ending in S
8
Most frequent letter
E (12)

Questions

How many 12-letter words containing rfi are there?

13. 6 of them are common words.

What is a common example?

CHESTERFIELD is among the common words in this set.