5-Letter Words Matching T_F__

There are 12 5-letter words that match T_F__. 5 are common words, such as TAFFY and TIFFS. A rarer one is TUFFS. In this set, S is the most frequent open letter (8 words). 6 words contain a doubled letter.

Full list 12

taffytiffstoffytofustuftstafiatoffstuftyteffstoftstufastuffs

About this list

Words
12 (5 common words)
Common example
taffy
Rare example
tuffs
Doubled letters
6
Ending in S
8
Most frequent letter
S (8)

Questions

How many 5-letter words matching t_f__ are there?

12. 5 of them are common words.

What is a common example?

TAFFY is among the common words in this set.