14-Letter Words Matching T_________N___

There are 19 14-letter words that match T_________N___. 6 are common words, such as THOUGHTFULNESS and TRANSCENDENCES. A rarer one is TYRANNICALNESS. In this set, E is the most frequent open letter (18 words). 12 words contain a doubled letter.

Full list 19

thoughtfulnesstranscendencestranscendentaltransitivenesstransmittancestransnationalstheatricalnesstraitorousnesstranscendentlytransitorinesstumultuousnessterminablenessthermoremanentthreadbarenessthriftlessnesstransplacentaltremendousnessturbomachinerytyrannicalness

About this list

Words
19 (6 common words)
Common example
thoughtfulness
Rare example
tyrannicalness
Doubled letters
12
Ending in S
14
Most frequent letter
E (18)

Questions

How many 14-letter words matching t_________n___ are there?

19. 6 of them are common words.

What is a common example?

THOUGHTFULNESS is among the common words in this set.