15-Letter Words Containing TF

There are 13 15-letter words that contain TF. 6 are common words, such as DECEITFULNESSES and DISRESPECTFULLY. A rarer one is TIGHTFISTEDNESS. In this set, S is the most frequent open letter (13 words). 12 words contain a doubled letter.

Full list 13

deceitfulnessesdisrespectfullyforgetfulnessesfrightfulnessesresentfulnessesstraightforwarddistrustfulnessmistrustfulnesscrestfallennesseffortfulnesseslightfastnessesregretfulnessestightfistedness

About this list

Words
13 (6 common words)
Common example
deceitfulnesses
Rare example
tightfistedness
Doubled letters
12
Ending in S
11
Most frequent letter
S (13)

Questions

How many 15-letter words containing tf are there?

13. 6 of them are common words.

What is a common example?

DECEITFULNESSES is among the common words in this set.