12-Letter Words Containing FF

There are 107 12-letter words that contain FF. 60 are common words, such as AFFABILITIES and AFFECTATIONS. A rarer one is SPIFFINESSES. In this set, I is the most frequent open letter (87 words). 107 words contain a doubled letter.

Full list 107

Common words

affabilitiesaffectationsaffectionateaffiliationsaffirmationsaffirmativesaftereffectsbuffoonerieschauffeuringcliffhangerscoefficientscoffeehouses
affabilitiesaffectationsaffectionateaffiliationsaffirmationsaffirmativesaftereffectsbuffoonerieschauffeuringcliffhangerscoefficientscoffeehousescoffeemakerscounterofferdecaffeinatedifferentialdifficultiesdiffractionsdisaffectingdisaffectiondisaffiliateeffectuatingeffeminacieseffeminatelyeffervescenteffervescingeffetenessesefficienciesefflorescenteffortlesslyeffronterieseffusivenessfluffinessesindifferenceineffabilityinefficaciesinefficiencyinsufferableinsufferablyinsufficientkaffeeklatchnoneffectiveofficeholderofficialdomsofficialismsquarterstaffscaffoldingssemiofficialshuffleboardstuffinessessufficientlysuffixationssuffocationssuffragettestraffickingsunaffectedlyunaffiliatedunderstaffedunofficiallywhiffletreesafflictivelyaffranchisedaffranchisesaffricativescliffhangingcrossruffingdifferencingdifferentiaedisafforestseffectualityeffectuationeffeminizingefflorescingineffaceableinsufflationofficialesesofficiationsoverstuffingsuffruticosetrafficatorsunaffordableundersheriffaffectednessafficionadosantidandruffbailiffshipsbuffaloberrybullmastiffsdiffusionismdiffusionistdisaffirmingefficacitiesenfeoffmentshasenpfefferindifferencyineffaceablyinefficientsinsufflatinginsufflatorsinterdiffuseoffishnessesoffscouringsoverstaffingreafforestedsniffinessessniffishnessspiffinesses

About this list

Words
107 (60 common words)
Common example
affabilities
Rare example
spiffinesses
Doubled letters
107
Ending in S
48
Most frequent letter
I (87)

Questions

How many 12-letter words containing ff are there?

107. 60 of them are common words.

What is a common example?

AFFABILITIES is among the common words in this set.