14-Letter Words Matching ____M_____O___

There are 16 14-letter words that match ____M_____O___. 5 are common words, such as DECOMMISSIONED and DENOMINATIONAL. A rarer one is TRIAMCINOLONES. In this set, E is the most frequent open letter (16 words). 2 words contain a doubled letter.

Full list 16

decommissioneddenominationalmetempsychosesmetempsychosisrecommissioneddexamethasonesmetempsychoticpneumoconiosespneumoconiosischlamydosporeschromatophorespneumatophoressedimentologicspermatophoresthromboembolictriamcinolones

About this list

Words
16 (5 common words)
Common example
decommissioned
Rare example
triamcinolones
Doubled letters
2
Ending in S
10
Most frequent letter
E (16)

Questions

How many 14-letter words matching ____m_____o___ are there?

16. 5 of them are common words.

What is a common example?

DECOMMISSIONED is among the common words in this set.