13-Letter Words Matching ________R_S__

There are 30 13-letter words that match ________R_S__. 4 are common words, such as CARICATURISTS and PSYCHIATRISTS. A rarer one is THEOCENTRISMS. In this set, S is the most frequent open letter (29 words). 1 words contain a doubled letter.

Full list 30

Common words

caricaturistspsychiatristsstegosaurusesvolunteerismscoronavirusesapatosaurusesapiculturistsenterovirusesincendiarismsleptospirosesleptospirosispathoneurosis
caricaturistspsychiatristsstegosaurusesvolunteerismscoronavirusesapatosaurusesapiculturistsenterovirusesincendiarismsleptospirosesleptospirosispathoneurosisaviculturistscarbohydrasescoleopteristscontainerisedcontaineriseseconometristsherpesviruseshyperhidroseshyperhidrosisiontophoresesiontophoresismyelofibrosesmyelofibrosisorthopteristspapovavirusespolycentrismsrhabdovirusestheocentrisms

About this list

Words
30 (4 common words)
Common example
caricaturists
Rare example
theocentrisms
Doubled letters
1
Ending in S
29
Most frequent letter
S (29)

Questions

How many 13-letter words matching ________r_s__ are there?

30. 4 of them are common words.

What is a common example?

CARICATURISTS is among the common words in this set.