13-Letter Words Matching __R_________C

There are 24 13-letter words that match __R_________C. 2 are common words, such as FERROMAGNETIC and STRATOSPHERIC. A rarer one is XEROPHTHALMIC. In this set, I is the most frequent open letter (24 words). 5 words contain a doubled letter.

Full list 24

ferromagneticstratosphericchronographicferroelectricgerontocraticmorphogeneticparallelisticstratigraphiccardiographicchromatolyticchromonematicchromosphericferrimagneticnoradrenergicparasitologicparasyntheticpersonalisticphreatophyticstreptococcicstromatoliticsyringomyelicturbidimetricturboelectricxerophthalmic

About this list

Words
24 (2 common words)
Common example
ferromagnetic
Rare example
xerophthalmic
Doubled letters
5
Ending in S
0
Most frequent letter
I (24)

Questions

How many 13-letter words matching __r_________c are there?

24. 2 of them are common words.

What is a common example?

FERROMAGNETIC is among the common words in this set.