15-Letter Words Matching _M__________S__

There are 17 15-letter words that match _M__________S__. 10 are common words, such as AMBITIOUSNESSES and AMORPHOUSNESSES. A rarer one is IMMUTABLENESSES. 16 words contain a doubled letter.

Full list 17

ambitiousnessesamorphousnessesimitativenessesimmediatenessesimpassivenessesimperfectnessesimperiousnessesimpetuousnessesimprecisenessesimpulsivenessesambiguousnessesaminopeptidasesimaginarinessesimmovablenessesimmunodiagnosesimmunodiagnosisimmutablenesses

About this list

Words
17 (10 common words)
Common example
ambitiousnesses
Rare example
immutablenesses
Doubled letters
16
Ending in S
17

Questions

How many 15-letter words matching _m__________s__ are there?

17. 10 of them are common words.

What is a common example?

AMBITIOUSNESSES is among the common words in this set.