15-Letter Words Matching ___T______R____

There are 23 15-letter words that match ___T______R____. 5 are common words, such as GASTROENTERITIS and HORTICULTURISTS. A rarer one is PROTOHISTORIANS. In this set, O is the most frequent open letter (20 words). 2 words contain a doubled letter.

Full list 23

gastroenteritishorticulturistsnontransferablepreternaturallyseptuagenarianscorticosteroidscorticosteronesdistributorshiphorticulturallyichthyosaurusesphotoelectricalphototelegraphyphototopographyphototypographyweatherboardingichthyosauriansparthenocarpiespectinesterasesphotoautotrophsphotoelectronicplethysmographsplethysmographyprotohistorians

About this list

Words
23 (5 common words)
Common example
gastroenteritis
Rare example
protohistorians
Doubled letters
2
Ending in S
12
Most frequent letter
O (20)

Questions

How many 15-letter words matching ___t______r____ are there?

23. 5 of them are common words.

What is a common example?

GASTROENTERITIS is among the common words in this set.