7-Letter Words Matching __T_F__

There are 17 7-letter words that match __T_F__. 5 are common words, such as CUTOFFS and DUTIFUL. A rarer one is SETOFFS. In this set, U is the most frequent open letter (10 words). 4 words contain a doubled letter.

Full list 17

cutoffsdutifulfatefulhatefulpitifulantefixratafiarotiferruthfulantifatantifluantifurhatsfulmotificputoffsratafeesetoffs

About this list

Words
17 (5 common words)
Common example
cutoffs
Rare example
setoffs
Doubled letters
4
Ending in S
3
Most frequent letter
U (10)

Questions

How many 7-letter words matching __t_f__ are there?

17. 5 of them are common words.

What is a common example?

CUTOFFS is among the common words in this set.