14-Letter Words Matching ____R_____M___

There are 21 14-letter words that match ____R_____M___. 5 are common words, such as DISARRANGEMENT and DISGRUNTLEMENT. A rarer one is SUPERPHENOMENA. In this set, E is the most frequent open letter (20 words). 7 words contain a doubled letter.

Full list 21

disarrangementdisgruntlementhyperglycemiasprearrangementunderstatementdivertissementheterochromousintertwinementoverrefinementchlorenchymatachlorpropamidehypercalcemiashyperuricemiasmisprogrammingnonprogrammerspostretirementpreprogrammingsclerenchymatasemiretirementsuperdiplomatssuperphenomena

About this list

Words
21 (5 common words)
Common example
disarrangement
Rare example
superphenomena
Doubled letters
7
Ending in S
6
Most frequent letter
E (20)

Questions

How many 14-letter words matching ____r_____m___ are there?

21. 5 of them are common words.

What is a common example?

DISARRANGEMENT is among the common words in this set.