9-Letter Words Matching _R___Z___

There are 17 9-letter words that match _R___Z___. 5 are common words, such as PROTOZOAN and PROTOZOIC. A rarer one is TRAPEZIST. In this set, I is the most frequent open letter (12 words). 1 words contain a doubled letter.

Full list 17

protozoanprotozoicprotozoontrapeziumtrapezoidorganzineprotozoaltrapeziusarabizingbromizingbrunizemserotizinggrecizingironizingkreutzersproenzymetrapezist

About this list

Words
17 (5 common words)
Common example
protozoan
Rare example
trapezist
Doubled letters
1
Ending in S
3
Most frequent letter
I (12)

Questions

How many 9-letter words matching _r___z___ are there?

17. 5 of them are common words.

What is a common example?

PROTOZOAN is among the common words in this set.