10-Letter Words Containing RFU

There are 20 10-letter words that contain RFU. 4 are common words, such as CHEERFULLY and COLORFULLY. A rarer one is UNDERFUNDS. In this set, E is the most frequent open letter (18 words). 8 words contain a doubled letter.

Full list 20

cheerfullycolorfullypowerfullysubterfugekerfufflesperfusionspitcherfuldipperfulsdrawerfulsdropperfulfearfullerharborfulsinterfusedinterfusesoverfundedperfusatesplatterfulsuperfundstumblerfulunderfunds

About this list

Words
20 (4 common words)
Common example
cheerfully
Rare example
underfunds
Doubled letters
8
Ending in S
9
Most frequent letter
E (18)

Questions

How many 10-letter words containing rfu are there?

20. 4 of them are common words.

What is a common example?

CHEERFULLY is among the common words in this set.