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15-Letter Words Containing FF

There are 35 15-letter words that contain FF. 12 are common words, such as COUNTEROFFERING and DIFFERENTIATING. A rarer one is SUPEREFFICIENCY. In this set, E is the most frequent open letter (33 words). 35 words contain a doubled letter.

Full list 35

Common words

counterofferingdifferentiatingdifferentiationdisaffiliationseffectivenessesineffectivenessinoffensivenessinsufficiencieskaffeeklatschesoffensivenessesoffhandednessesofficiousnesses
counterofferingdifferentiatingdifferentiationdisaffiliationseffectivenessesineffectivenessinoffensivenessinsufficiencieskaffeeklatschesoffensivenessesoffhandednessesofficiousnessesdifferentiatorseffectualnessesefficaciousnessineffectualnessreafforestationstandoffishnessaffectabilitiesaffordabilitiesdecaffeinationsdedifferentiatedifferentnessesdiffractometersdiffractometricdiffusivenesseseffortfulnessesimmunodiffusionindifferentismsindifferentistsineffablenessesineffaceabilityinefficaciouslyinterdiffusionssuperefficiency

About this list

Words
35 (12 common words)
Common example
counteroffering
Rare example
superefficiency
Doubled letters
35
Ending in S
25
Most frequent letter
E (33)
Back to the indexWords of this length.15-letter wordsWords of this length.All word listsLengths, starts, and endings.14-letter FFWords of this length.Open the finder with this filterSearch by the letters you have.

Questions

How many 15-letter words containing ff are there?

35. 12 of them are common words.

What is a common example?

COUNTEROFFERING is among the common words in this set.