15-Letter Words Matching M____________S_

There are 15 15-letter words that match M____________S_. 5 are common words, such as MEANINGLESSNESS and MELLIFLUOUSNESS. A rarer one is MOUNTAINOUSNESS. 9 words contain a doubled letter.

Full list 15

meaninglessnessmellifluousnessmeritoriousnessmischievousnessmultilingualismmagnanimousnessmajoritarianismmeasurelessnessmetempsychosistmetropolitanismmistrustfulnessmultilateralismmultilateralistmethylcellulosemountainousness

About this list

Words
15 (5 common words)
Common example
meaninglessness
Rare example
mountainousness
Doubled letters
9
Ending in S
8

Questions

How many 15-letter words matching m____________s_ are there?

15. 5 of them are common words.

What is a common example?

MEANINGLESSNESS is among the common words in this set.