7-Letter Words Matching ___R__M

There are 30 7-letter words that match ___R__M. 12 are common words, such as BARROOM and BEDROOM. A rarer one is ZOARIUM. In this set, O is the most frequent open letter (22 words). 12 words contain a doubled letter.

Full list 30

Common words

barroombedroomlegroommudroomoverarmstardomsternumtaproomtearoomthoriumtourismyttrium
barroombedroomlegroommudroomoverarmstardomsternumtaproomtearoomthoriumtourismyttriumbohriumboxroomczardomczarismheirdomsunroomcharismdayroomgunroommicrohmnatriumredreamregroomtsardomtsarismtzardomtzarismzoarium

About this list

Words
30 (12 common words)
Common example
barroom
Rare example
zoarium
Doubled letters
12
Ending in S
0
Most frequent letter
O (22)

Questions

How many 7-letter words matching ___r__m are there?

30. 12 of them are common words.

What is a common example?

BARROOM is among the common words in this set.