12-Letter Words Matching ____T____R__

There are 19 12-letter words that match ____T____R__. 2 are common words, such as BRONTOSAURUS and COUNTERPARTS. A rarer one is PLASTERWORKS. 1 words contain a doubled letter.

Full list 19

brontosauruscounterpartscounterforcecountermarchenantiomorphgametophoresscratchcardsstretchmarkstrestleworkswhortleberryblastosporescounterfiredcounterfirescounterworlddilatometricelectroformsenantiomerickinetochoresplasterworks

About this list

Words
19 (2 common words)
Common example
brontosaurus
Rare example
plasterworks
Doubled letters
1
Ending in S
11

Questions

How many 12-letter words matching ____t____r__ are there?

19. 2 of them are common words.

What is a common example?

BRONTOSAURUS is among the common words in this set.