12-Letter Words Matching ___M____S___

There are 23 12-letter words that match ___M____S___. 13 are common words, such as CHAMPIONSHIP and CHUMMINESSES. A rarer one is SWAMPINESSES. 17 words contain a doubled letter.

Full list 23

championshipchumminessesclamminessesclumsinessescommonnessescrumminessesflimsinessesgrumpinessespromptnessesseamstressesseemlinessesskimpinessesunimpressivedermabrasionreimpressionbromegrassesdismalnessesformalnessesgeometrisinggormandisinghelmsmanshipnormotensiveswampinesses

About this list

Words
23 (13 common words)
Common example
championship
Rare example
swampinesses
Doubled letters
17
Ending in S
15

Questions

How many 12-letter words matching ___m____s___ are there?

23. 13 of them are common words.

What is a common example?

CHAMPIONSHIP is among the common words in this set.