13-Letter Words Matching __M________R_

There are 18 13-letter words that match __M________R_. 6 are common words, such as COMMEMORATORS and COMMISSIONERS. A rarer one is SEMISEDENTARY. 6 words contain a doubled letter.

Full list 18

commemoratorscommissionerscommunicatorscomplementarycomplimentarydemonstratorscommunicatoryremanufacturesomatosensorydemagnetizersdemocratizershomeschoolersimmortalizersremembrancersremonstratorssemidiameterssemilegendarysemisedentary

About this list

Words
18 (6 common words)
Common example
commemorators
Rare example
semisedentary
Doubled letters
6
Ending in S
11

Questions

How many 13-letter words matching __m________r_ are there?

18. 6 of them are common words.

What is a common example?

COMMEMORATORS is among the common words in this set.