12-Letter Words Containing FFI

There are 35 12-letter words that contain FFI. 21 are common words, such as AFFILIATIONS and AFFIRMATIONS. A rarer one is SPIFFINESSES. In this set, S is the most frequent open letter (31 words). 35 words contain a doubled letter.

Full list 35

Common words

affiliationsaffirmationsaffirmativescoefficientsdifficultiesdisaffiliateefficienciesfluffinessesinefficaciesinefficiencyinsufficientofficeholder
affiliationsaffirmationsaffirmativescoefficientsdifficultiesdisaffiliateefficienciesfluffinessesinefficaciesinefficiencyinsufficientofficeholderofficialdomsofficialismssemiofficialstuffinessessufficientlysuffixationstraffickingsunaffiliatedunofficiallycrossruffingofficialesesofficiationsoverstuffingtrafficatorsafficionadosdisaffirmingefficacitiesinefficientsoffishnessesoverstaffingsniffinessessniffishnessspiffinesses

About this list

Words
35 (21 common words)
Common example
affiliations
Rare example
spiffinesses
Doubled letters
35
Ending in S
23
Most frequent letter
S (31)

Questions

How many 12-letter words containing ffi are there?

35. 21 of them are common words.

What is a common example?

AFFILIATIONS is among the common words in this set.