7-Letter Words Matching _H_Z___

There are 13 7-letter words that match _H_Z___. 4 are common words, such as RHIZOME and WHIZKID. A rarer one is WHIZZER. In this set, I is the most frequent open letter (9 words). 5 words contain a doubled letter.

Full list 13

rhizomewhizkidwhizzedwhizzesrhizoidchazanschazzanchazzenghazieskhazensrhizomarhizopiwhizzer

About this list

Words
13 (4 common words)
Common example
rhizome
Rare example
whizzer
Doubled letters
5
Ending in S
4
Most frequent letter
I (9)

Questions

How many 7-letter words matching _h_z___ are there?

13. 4 of them are common words.

What is a common example?

RHIZOME is among the common words in this set.