13-Letter Words Matching ___T_____C___

There are 17 13-letter words that match ___T_____C___. 3 are common words, such as ARITHMETICIAN and CONTINGENCIES. A rarer one is PROTEOGLYCANS. In this set, E is the most frequent open letter (15 words). 2 words contain a doubled letter.

Full list 17

arithmeticiancontingenciesshuttlecockeddextroglucoseerythromycinsleatherjacketoystercatcherpantechniconspostpubescentexothermicityletterspacingmultibranchedphotodetectorphotoreducingphototoxicityphytotoxicityproteoglycans

About this list

Words
17 (3 common words)
Common example
arithmetician
Rare example
proteoglycans
Doubled letters
2
Ending in S
4
Most frequent letter
E (15)

Questions

How many 13-letter words matching ___t_____c___ are there?

17. 3 of them are common words.

What is a common example?

ARITHMETICIAN is among the common words in this set.