11-Letter Words Matching J____R_____

There are 12 11-letter words that match J____R_____. 3 are common words, such as JEOPARDIZED and JEOPARDIZES. A rarer one is JOINTRESSES. 5 words contain a doubled letter.

Full list 12

jeopardizedjeopardizesjuggernautsjabberwockyjaguarundisjiggermastsjitterinessjaguarondisjasperwaresjeopardisedjeopardisesjointresses

About this list

Words
12 (3 common words)
Common example
jeopardized
Rare example
jointresses
Doubled letters
5
Ending in S
9

Questions

How many 11-letter words matching j____r_____ are there?

12. 3 of them are common words.

What is a common example?

JEOPARDIZED is among the common words in this set.