15-Letter Words Matching M_______S______

There are 13 15-letter words that match M_______S______. 5 are common words, such as MALICIOUSNESSES and MELODIOUSNESSES. A rarer one is MONSTROUSNESSES. In this set, S is the most frequent open letter (12 words). 9 words contain a doubled letter.

Full list 13

maliciousnessesmelodiousnessesmercilessnessesmisrepresentingmomentousnessesmalnourishmentsmurderousnessesmarvelousnessesmicrodissectionmicrophysicallymicropulsationsmicroseismicitymonstrousnesses

About this list

Words
13 (5 common words)
Common example
maliciousnesses
Rare example
monstrousnesses
Doubled letters
9
Ending in S
9
Most frequent letter
S (12)

Questions

How many 15-letter words matching m_______s______ are there?

13. 5 of them are common words.

What is a common example?

MALICIOUSNESSES is among the common words in this set.