15-Letter Words Matching ___T_O_________

There are 15 15-letter words that match ___T_O_________. 4 are common words, such as CONTROVERSIALLY and GASTROENTERITIS. A rarer one is PROTEOLYTICALLY. In this set, I is the most frequent open letter (14 words). 11 words contain a doubled letter.

Full list 15

controversiallygastroenteritisgastronomicallypostconsonantalcentrosymmetriccontrollabilitycontrollershipsdextrosinistralgastrologicallyemotionlessnessfictionizationsmontmorillonitephotooxidationspostpollinationproteolytically

About this list

Words
15 (4 common words)
Common example
controversially
Rare example
proteolytically
Doubled letters
11
Ending in S
5
Most frequent letter
I (14)

Questions

How many 15-letter words matching ___t_o_________ are there?

15. 4 of them are common words.

What is a common example?

CONTROVERSIALLY is among the common words in this set.