15-Letter Words Matching _________R__S__

There are 12 15-letter words that match _________R__S__. 2 are common words, such as HARPSICHORDISTS and TOASTMISTRESSES. A rarer one is ULTRAMODERNISTS. 3 words contain a doubled letter.

Full list 12

harpsichordiststoastmistresseselectronarcosishousemistresseshypochondriaseshypochondriasismillionairesseshypermodernistsovoviviparouslyreactionaryismssplendiferouslyultramodernists

About this list

Words
12 (2 common words)
Common example
harpsichordists
Rare example
ultramodernists
Doubled letters
3
Ending in S
10

Questions

How many 15-letter words matching _________r__s__ are there?

12. 2 of them are common words.

What is a common example?

HARPSICHORDISTS is among the common words in this set.