13-Letter Words Matching A_________Z__

There are 12 13-letter words that match A_________Z__. 6 are common words, such as ANAESTHETIZED and ANAESTHETIZES. A rarer one is AESTHETICIZES. 3 words contain a doubled letter.

Full list 12

anaesthetizedanaesthetizesanathematizedanathematizesattitudinizedattitudinizesapostrophizedapostrophizesattitudinizerautocatalyzesaestheticizedaestheticizes

About this list

Words
12 (6 common words)
Common example
anaesthetized
Rare example
aestheticizes
Doubled letters
3
Ending in S
6

Questions

How many 13-letter words matching a_________z__ are there?

12. 6 of them are common words.

What is a common example?

ANAESTHETIZED is among the common words in this set.