6-Letter Words Containing IFF

There are 28 6-letter words that contain IFF. 14 are common words, such as CLIFFS and DIFFER. A rarer one is NIFFER. In this set, S is the most frequent open letter (12 words). 28 words contain a doubled letter.

Full list 28

Common words

cliffsdifferiffiermiffedpiffleriffedriffleskiffssniffsspiffystiffstariff
cliffsdifferiffiermiffedpiffleriffedriffleskiffssniffsspiffystiffstarifftiffedwhiffsbiffedbiffincliffygoniffgriffequiffssniffyspiffssplifftiffincoiffegliffsgriffsniffer

About this list

Words
28 (14 common words)
Common example
cliffs
Rare example
niffer
Doubled letters
28
Ending in S
9
Most frequent letter
S (12)

Questions

How many 6-letter words containing iff are there?

28. 14 of them are common words.

What is a common example?

CLIFFS is among the common words in this set.