15-Letter Words Matching __T__S_________

There are 21 15-letter words that match __T__S_________. 8 are common words, such as EXTENSIVENESSES and INTENSIFICATION. A rarer one is ULTRASTRUCTURES. In this set, E is the most frequent open letter (19 words). 7 words contain a doubled letter.

Full list 21

extensivenessesintensificationintensivenessesinterscholasticintrospectivelyintrusivenessesobtrusivenessesretrospectivelyaftersensationsinterstratifiedinterstratifiesintussusceptionultrasonographyextensibilitiesintersubjectiveintrospectionalintussusceptingintussusceptivelatensificationultrastructuralultrastructures

About this list

Words
21 (8 common words)
Common example
extensivenesses
Rare example
ultrastructures
Doubled letters
7
Ending in S
8
Most frequent letter
E (19)

Questions

How many 15-letter words matching __t__s_________ are there?

21. 8 of them are common words.

What is a common example?

EXTENSIVENESSES is among the common words in this set.