13-Letter Words Matching ________T___T

There are 13 13-letter words that match ________T___T. 3 are common words, such as DISINVESTMENT and MALADJUSTMENT. A rarer one is PRECOMMITMENT. In this set, E is the most frequent open letter (12 words). 5 words contain a doubled letter.

Full list 13

disinvestmentmaladjustmentreappointmentpreenlistmentpsychometristpsychopathistsubdepartmentinterdistrictnoncommitmentoverconstructovertreatmentposttreatmentprecommitment

About this list

Words
13 (3 common words)
Common example
disinvestment
Rare example
precommitment
Doubled letters
5
Ending in S
0
Most frequent letter
E (12)

Questions

How many 13-letter words matching ________t___t are there?

13. 3 of them are common words.

What is a common example?

DISINVESTMENT is among the common words in this set.