13-Letter Words Matching T_________A__

There are 17 13-letter words that match T_________A__. 4 are common words, such as THENCEFORWARD and THEORETICIANS. A rarer one is TURBELLARIANS. In this set, R is the most frequent open letter (17 words). 4 words contain a doubled letter.

Full list 17

thenceforwardtheoreticianstotalitarianstransliterateterephthalatethermotherapythrombokinasethundersqualltransitionarythalassocracythalassocratsthoroughbracetranscriptasetransmembranetransmountaintrichopteransturbellarians

About this list

Words
17 (4 common words)
Common example
thenceforward
Rare example
turbellarians
Doubled letters
4
Ending in S
5
Most frequent letter
R (17)

Questions

How many 13-letter words matching t_________a__ are there?

17. 4 of them are common words.

What is a common example?

THENCEFORWARD is among the common words in this set.