15-Letter Words Matching ____R________I_

There are 20 15-letter words that match ____R________I_. 5 are common words, such as ANTHROPOCENTRIC and ANTHROPOMORPHIC. A rarer one is VENTRILOQUISTIC. 3 words contain a doubled letter.

Full list 20

anthropocentricanthropomorphicatherosclerosisgastroenteritisinterscholasticanthropogenesisatheroscleroticcentrosymmetricdistributorshipheterochromaticheterochromatinhypercatalecticinterferometricpleuropneumoniadiffractometricexoerythrocyticinterelectronicnonaristocraticprogressivisticventriloquistic

About this list

Words
20 (5 common words)
Common example
anthropocentric
Rare example
ventriloquistic
Doubled letters
3
Ending in S
3

Questions

How many 15-letter words matching ____r________i_ are there?

20. 5 of them are common words.

What is a common example?

ANTHROPOCENTRIC is among the common words in this set.