7-Letter Words Matching ____T_O

There are 13 7-letter words that match ____T_O. 2 are common words, such as MAESTRO and RISOTTO. A rarer one is ZAPATEO. In this set, R is the most frequent open letter (8 words). 7 words contain a doubled letter.

Full list 13

maestrorisottoannattocavettoelectroridottostrettozemstvoarnattoarnottodinitroeightvozapateo

About this list

Words
13 (2 common words)
Common example
maestro
Rare example
zapateo
Doubled letters
7
Ending in S
0
Most frequent letter
R (8)

Questions

How many 7-letter words matching ____t_o are there?

13. 2 of them are common words.

What is a common example?

MAESTRO is among the common words in this set.