13-Letter Words Matching _T_____T_____

There are 16 13-letter words that match _T_____T_____. 6 are common words, such as ATTRIBUTIVELY and STEAMFITTINGS. A rarer one is STRAIGHTLACED. In this set, I is the most frequent open letter (15 words). 5 words contain a doubled letter.

Full list 16

attributivelysteamfittingsstraightawaysstraightedgesstraightenersstraighteningstenopetalousattributionalethnobotaniesethnobotaniststandpattismsstereopticonsstigmasterolsstonecuttingsstraightbredsstraightlaced

About this list

Words
16 (6 common words)
Common example
attributively
Rare example
straightlaced
Doubled letters
5
Ending in S
11
Most frequent letter
I (15)

Questions

How many 13-letter words matching _t_____t_____ are there?

16. 6 of them are common words.

What is a common example?

ATTRIBUTIVELY is among the common words in this set.