13-Letter Words Matching ___T_____H___

There are 19 13-letter words that match ___T_____H___. 9 are common words, such as CARTOGRAPHERS and CARTOGRAPHIES. A rarer one is TROTHPLIGHTED. In this set, R is the most frequent open letter (18 words). 2 words contain a doubled letter.

Full list 19

cartographerscartographiesdictatorshipspartisanshipsphotographersphotographiesphotographingrestrengthenstortoiseshellbacteriophagehectographingaortographiesbacteriophagylistenershipsphotosynthatepictographiesprototrophiestoothbrushingtrothplighted

About this list

Words
19 (9 common words)
Common example
cartographers
Rare example
trothplighted
Doubled letters
2
Ending in S
11
Most frequent letter
R (18)

Questions

How many 13-letter words matching ___t_____h___ are there?

19. 9 of them are common words.

What is a common example?

CARTOGRAPHERS is among the common words in this set.