7-Letter Words Matching ____Z_R

There are 16 7-letter words that match ____Z_R. 5 are common words, such as FREEZER and IONIZER. A rarer one is WHIZZER. In this set, E is the most frequent open letter (14 words). 8 words contain a doubled letter.

Full list 16

freezerionizerquizzerseltzerwaltzermachzorsnoozerwheezeralcazarbronzerfrizzeriodizerkreuzersneezertweezerwhizzer

About this list

Words
16 (5 common words)
Common example
freezer
Rare example
whizzer
Doubled letters
8
Ending in S
0
Most frequent letter
E (14)

Questions

How many 7-letter words matching ____z_r are there?

16. 5 of them are common words.

What is a common example?

FREEZER is among the common words in this set.