13-Letter Words Matching ___O________T

There are 20 13-letter words that match ___O________T. 6 are common words, such as ACCOMPANIMENT and APPORTIONMENT. A rarer one is PREORDAINMENT. In this set, I is the most frequent open letter (17 words). 6 words contain a doubled letter.

Full list 20

accompanimentapportionmentencouragementgerontologistrevolutionistsadomasochistcalorifacientdecontaminantdemolitionistdevolutionistencompassmentmelodramatistreconcilementreconsignmentcryobiologistensorcellmentfluoroscopistmonometallistoppositionistpreordainment

About this list

Words
20 (6 common words)
Common example
accompaniment
Rare example
preordainment
Doubled letters
6
Ending in S
0
Most frequent letter
I (17)

Questions

How many 13-letter words matching ___o________t are there?

20. 6 of them are common words.

What is a common example?

ACCOMPANIMENT is among the common words in this set.