4-Letter Words Matching A_T_

There are 12 4-letter words that match A_T_. 8 are common words, such as ACTS and ALTO. A rarer one is ALTS. In this set, S is the most frequent open letter (5 words). 0 words contain a doubled letter.

Full list 12

actsaltoanteantiantsartsartyautoantaactaaitsalts

About this list

Words
12 (8 common words)
Common example
acts
Rare example
alts
Doubled letters
0
Ending in S
5
Most frequent letter
S (5)

Questions

How many 4-letter words matching a_t_ are there?

12. 8 of them are common words.

What is a common example?

ACTS is among the common words in this set.