15-Letter Words Matching ____M_____O____

There are 14 15-letter words that match ____M_____O____. 2 are common words, such as DECOMMISSIONING and RECOMMISSIONING. A rarer one is UNCOMPASSIONATE. In this set, I is the most frequent open letter (14 words). 6 words contain a doubled letter.

Full list 14

decommissioningrecommissioningassimilationistmetempsychosistpneumonectomiesthromboembolismassimilationismmontmorillonitepharmacognosiespharmacognosticsedimentologiessedimentologistthermoperiodismuncompassionate

About this list

Words
14 (2 common words)
Common example
decommissioning
Rare example
uncompassionate
Doubled letters
6
Ending in S
3
Most frequent letter
I (14)

Questions

How many 15-letter words matching ____m_____o____ are there?

14. 2 of them are common words.

What is a common example?

DECOMMISSIONING is among the common words in this set.