14-Letter Words Matching ________TR____

There are 28 14-letter words that match ________TR____. 2 are common words, such as ETHNOCENTRISMS and INDEMONSTRABLE. A rarer one is ULTRAFILTRATES. In this set, E is the most frequent open letter (28 words). 4 words contain a doubled letter.

Full list 28

Common words

ethnocentrismsindemonstrableacrylonitrileschronometricalcounterstrokesheliocentricaloptoelectronicundemonstrableaxisymmetricalcounterstreamscounterstrikesdeconcentrated
ethnocentrismsindemonstrableacrylonitrileschronometricalcounterstrokesheliocentricaloptoelectronicundemonstrableaxisymmetricalcounterstreamscounterstrikesdeconcentrateddeconcentratesdorsiventrallydorsoventrallyecocatastropheindemonstrablyleukodystrophynongeometricalnonsymmetricaloverconstructsreconcentratedreconcentratesreorchestratedreorchestratesthunderstrikesthunderstrokesultrafiltrates

About this list

Words
28 (2 common words)
Common example
ethnocentrisms
Rare example
ultrafiltrates
Doubled letters
4
Ending in S
12
Most frequent letter
E (28)

Questions

How many 14-letter words matching ________tr____ are there?

28. 2 of them are common words.

What is a common example?

ETHNOCENTRISMS is among the common words in this set.