7-Letter Words Matching __Z_A__

There are 13 7-letter words that match __Z_A__. 7 are common words, such as BAZAARS and BUZZARD. A rarer one is MEZCALS. In this set, Z is the most frequent open letter (8 words). 9 words contain a doubled letter.

Full list 13

bazaarsbuzzardgizzardhazmatshuzzaedhuzzahspizzazzmazzardbezoarsbezzantbiznagahazzansmezcals

About this list

Words
13 (7 common words)
Common example
bazaars
Rare example
mezcals
Doubled letters
9
Ending in S
6
Most frequent letter
Z (8)

Questions

How many 7-letter words matching __z_a__ are there?

13. 7 of them are common words.

What is a common example?

BAZAARS is among the common words in this set.