13-Letter Words Matching ___M___N_____

There are 13 13-letter words that match ___M___N_____. 6 are common words, such as CHAMPIONSHIPS and CRUMBLINESSES. A rarer one is TEEMINGNESSES. In this set, E is the most frequent open letter (12 words). 6 words contain a doubled letter.

Full list 13

championshipscrumblinessesharmfulnessesprimogenitorsprimogenitureunimaginativegermanenessesprimogenitaryanimatenesseshelmsmanshipsnormotensivespermanentnessteemingnesses

About this list

Words
13 (6 common words)
Common example
championships
Rare example
teemingnesses
Doubled letters
6
Ending in S
10
Most frequent letter
E (12)

Questions

How many 13-letter words matching ___m___n_____ are there?

13. 6 of them are common words.

What is a common example?

CHAMPIONSHIPS is among the common words in this set.