14-Letter Words Matching ____T____R____

There are 20 14-letter words that match ____T____R____. 2 are common words, such as BRONTOSAURUSES and TELETYPEWRITER. A rarer one is REACTIONARYISM. In this set, E is the most frequent open letter (20 words). 6 words contain a doubled letter.

Full list 20

brontosaurusesteletypewritercryptocurrencycountercurrentcountermarchedcountermarchescounterstrokeselectrosurgerywhortleberriesantiterrorismsantiterroristscounterstreamscounterstrikescounterterrorscounterthreatscounterthrustselectroformingenantiomorphicnorethindronesreactionaryism

About this list

Words
20 (2 common words)
Common example
brontosauruses
Rare example
reactionaryism
Doubled letters
6
Ending in S
12
Most frequent letter
E (20)

Questions

How many 14-letter words matching ____t____r____ are there?

20. 2 of them are common words.

What is a common example?

BRONTOSAURUSES is among the common words in this set.