9-Letter Words Containing MW

There are 12 9-letter words that contain MW. 5 are common words, such as DIMWITTED and FIRMWARES. A rarer one is FORMWORKS. In this set, R is the most frequent open letter (11 words). 3 words contain a doubled letter.

Full list 12

dimwittedfirmwaresstemwaresteamworkswormwoodsgromwellsstreamwayclamwormscreamwarefarmwivesfarmworksformworks

About this list

Words
12 (5 common words)
Common example
dimwitted
Rare example
formworks
Doubled letters
3
Ending in S
9
Most frequent letter
R (11)

Questions

How many 9-letter words containing mw are there?

12. 5 of them are common words.

What is a common example?

DIMWITTED is among the common words in this set.