13-Letter Words Matching ______T_____C

There are 22 13-letter words that match ______T_____C. 3 are common words, such as PHILANTHROPIC and SEMIAUTOMATIC. A rarer one is XEROPHTHALMIC. In this set, I is the most frequent open letter (22 words). 1 words contain a doubled letter.

Full list 22

philanthropicsemiautomatictransatlanticheterothallicheterotrophicpaleontologicantiarthriticantimetabolicautocatalyticbiosystematicchromatolyticepileptogenicgonadotrophichomoiothermicnonsystematicparasitologicpneumatolyticprogestogenicspermatogenicstromatoliticunsymptomaticxerophthalmic

About this list

Words
22 (3 common words)
Common example
philanthropic
Rare example
xerophthalmic
Doubled letters
1
Ending in S
0
Most frequent letter
I (22)

Questions

How many 13-letter words matching ______t_____c are there?

22. 3 of them are common words.

What is a common example?

PHILANTHROPIC is among the common words in this set.