14-Letter Words Matching __M_____O_____

There are 18 14-letter words that match __M_____O_____. 2 are common words, such as CAMPANOLOGISTS and HOMESCHOOLINGS. A rarer one is SOMATOTROPHINS. In this set, I is the most frequent open letter (18 words). 8 words contain a doubled letter.

Full list 18

campanologistshomeschoolingscampanologicalcommissionairedemythologizeddemythologizesimmunoglobulinlamellirostralsemasiologicalcompassionatedcompassionatescompassionlessdemolitionistsdemythologizerimmunoblottingremythologizedremythologizessomatotrophins

About this list

Words
18 (2 common words)
Common example
campanologists
Rare example
somatotrophins
Doubled letters
8
Ending in S
8
Most frequent letter
I (18)

Questions

How many 14-letter words matching __m_____o_____ are there?

18. 2 of them are common words.

What is a common example?

CAMPANOLOGISTS is among the common words in this set.