13-Letter Words Matching ________S__R_

There are 18 13-letter words that match ________S__R_. 6 are common words, such as ANTIMACASSARS and BRONCOBUSTERS. A rarer one is UREDINIOSPORE. 7 words contain a doubled letter.

Full list 18

antimacassarsbroncobustersextinguishersschoolmasterssportscasterstransgressorschlamydosporeharbormastersaccomplishersagroforestersdispossessorsharquebusiersimpoverisherspreprocessorspsychohistorysnollygosterssuperclustersurediniospore

About this list

Words
18 (6 common words)
Common example
antimacassars
Rare example
urediniospore
Doubled letters
7
Ending in S
15

Questions

How many 13-letter words matching ________s__r_ are there?

18. 6 of them are common words.

What is a common example?

ANTIMACASSARS is among the common words in this set.