15-Letter Words Matching M___________S__

There are 25 15-letter words that match M___________S__. 9 are common words, such as MALADROITNESSES and MALICIOUSNESSES. A rarer one is MULTIRACIALISMS. In this set, S is the most frequent open letter (24 words). 18 words contain a doubled letter.

Full list 25

Common words

maladroitnessesmaliciousnessesmelodiousnessesmercilessnessesmicrobiologistsmiscellaneouslymiserablenessesmomentarinessesmomentousnessesmillenarianismsmillionairessesmultitudinously
maladroitnessesmaliciousnessesmelodiousnessesmercilessnessesmicrobiologistsmiscellaneouslymiserablenessesmomentarinessesmomentousnessesmillenarianismsmillionairessesmultitudinouslymurderousnessesmarvelousnessesmasterfulnessesmaterfamiliasesmemorablenessesmercenarinessesmercurialnessesmetafictionistsmisguidednessesmonochromatismsmononucleosisesmonstrousnessesmultiracialisms

About this list

Words
25 (9 common words)
Common example
maladroitnesses
Rare example
multiracialisms
Doubled letters
18
Ending in S
23
Most frequent letter
S (24)

Questions

How many 15-letter words matching m___________s__ are there?

25. 9 of them are common words.

What is a common example?

MALADROITNESSES is among the common words in this set.