4-Letter Words With F and U

There are 54 4-letter words that use both F and U. 38 are common words, such as BUFF and CUFF. A rarer one is PFUI. 13 words contain a doubled letter.

Full list 54

Common words

buffcuffdufffaunfeudflubflueflusfluxfoulfourfuel
buffcuffdufffaunfeudflubflueflusfluxfoulfourfuelfullfumefumyfundfunkfunsfurlfursfuryfusefussfutzfuzefuzzguffgulfhuffluffmuffpuffruffsurftofutuftturfbumffauxfrugfugspouftufatuffcuifcurffeusfubsfucifudsfugufujipfuifuck

About this list

Words
54 (38 common words)
Common example
buff
Rare example
pfui
Doubled letters
13
Ending in S
8

Questions

How many 4-letter words with f and u are there?

54. 38 of them are common words.

What is a common example?

BUFF is among the common words in this set.