13-Letter Words Matching _T_________S_

There are 16 13-letter words that match _T_________S_. 7 are common words, such as ATROCIOUSNESS and ATTENTIVENESS. A rarer one is STYLELESSNESS. In this set, E is the most frequent open letter (14 words). 8 words contain a doubled letter.

Full list 16

atrociousnessattentivenessethnocentrismstatelessnesssteadfastnessstrenuousnessstructuraliststereotropismsternforemoststreptokinasestressfulnessstructuralismstructurelessethnobotanistpteridologiststylelessness

About this list

Words
16 (7 common words)
Common example
atrociousness
Rare example
stylelessness
Doubled letters
8
Ending in S
8
Most frequent letter
E (14)

Questions

How many 13-letter words matching _t_________s_ are there?

16. 7 of them are common words.

What is a common example?

ATROCIOUSNESS is among the common words in this set.