13-Letter Words Matching ________T__S_

There are 21 13-letter words that match ________T__S_. 7 are common words, such as COLORFASTNESS and ETHNOCENTRISM. A rarer one is SUPERVIRTUOSO. In this set, S is the most frequent open letter (20 words). 16 words contain a doubled letter.

Full list 21

colorfastnessethnocentrismimperfectnessincorrectnessmaladroitnesssteadfastnesstoastmistressdifferentnesshousemistressincessantnesspsychometristpsychopathistdownrightnessincorruptnesslightfastnessoversweetnesspermanentnesssansculottishsansculottismsupervirtuosisupervirtuoso

About this list

Words
21 (7 common words)
Common example
colorfastness
Rare example
supervirtuoso
Doubled letters
16
Ending in S
14
Most frequent letter
S (20)

Questions

How many 13-letter words matching ________t__s_ are there?

21. 7 of them are common words.

What is a common example?

COLORFASTNESS is among the common words in this set.