14-Letter Words Matching T_________O___

There are 15 14-letter words that match T_________O___. 2 are common words, such as TROUBLESHOOTED and TROUBLESHOOTER. A rarer one is TRIAMCINOLONES. In this set, S is the most frequent open letter (13 words). 2 words contain a doubled letter.

Full list 15

troubleshootedtroubleshootertachistoscopestherianthropicthyrotoxicosesthyrotoxicosistridimensionaltachistoscopicthiabendazolesthromboembolicthunderstrokestransductionaltreponematosestreponematosistriamcinolones

About this list

Words
15 (2 common words)
Common example
troubleshooted
Rare example
triamcinolones
Doubled letters
2
Ending in S
8
Most frequent letter
S (13)

Questions

How many 14-letter words matching t_________o___ are there?

15. 2 of them are common words.

What is a common example?

TROUBLESHOOTED is among the common words in this set.