10-Letter Words Matching ____T____H

There are 13 10-letter words that match ____T____H. 8 are common words, such as EIGHTEENTH and FOURTEENTH. A rarer one is UNACTORISH. In this set, R is the most frequent open letter (10 words). 4 words contain a doubled letter.

Full list 13

eighteenthfourteenthnineteenthoutstretchpaintbrushsmartwatchthirteenthwristwatchfrontbenchwaistclothcountryishhaphtarothunactorish

About this list

Words
13 (8 common words)
Common example
eighteenth
Rare example
unactorish
Doubled letters
4
Ending in S
0
Most frequent letter
R (10)

Questions

How many 10-letter words matching ____t____h are there?

13. 8 of them are common words.

What is a common example?

EIGHTEENTH is among the common words in this set.