9-Letter Words Containing TUF

There are 13 9-letter words that contain TUF. 4 are common words, such as DYESTUFFS and FOODSTUFF. A rarer one is TUFACEOUS. In this set, S is the most frequent open letter (12 words). 10 words contain a doubled letter.

Full list 13

dyestuffsfoodstuffstuffieststuffingscandytuftfeedstuffoverstuffcalctufascalctuffsrestuffedstufflesstartuffestufaceous

About this list

Words
13 (4 common words)
Common example
dyestuffs
Rare example
tufaceous
Doubled letters
10
Ending in S
7
Most frequent letter
S (12)

Questions

How many 9-letter words containing tuf are there?

13. 4 of them are common words.

What is a common example?

DYESTUFFS is among the common words in this set.