13-Letter Words Containing RFU

There are 13 13-letter words that contain RFU. 5 are common words, such as FEARFULNESSES and MOTHERFUCKERS. A rarer one is ULTRAPOWERFUL. In this set, E is the most frequent open letter (13 words). 6 words contain a doubled letter.

Full list 13

fearfulnessesmotherfuckersmotherfuckingperfunctorilywonderfulnessmasterfulnesshyperfunctionoverfulfilledperfusionistsprayerfulnesssuperpowerfultearfulnessesultrapowerful

About this list

Words
13 (5 common words)
Common example
fearfulnesses
Rare example
ultrapowerful
Doubled letters
6
Ending in S
7
Most frequent letter
E (13)

Questions

How many 13-letter words containing rfu are there?

13. 5 of them are common words.

What is a common example?

FEARFULNESSES is among the common words in this set.