15-Letter Words Matching ____R________S_

There are 57 15-letter words that match ____R________S_. 17 are common words, such as DESCRIPTIVENESS and DESTRUCTIVENESS. A rarer one is UNFORGIVINGNESS. In this set, I is the most frequent open letter (52 words). 31 words contain a doubled letter.

Full list 57

Common words

descriptivenessdestructivenessdisgracefulnesshyperthyroidisminformativenessinscrutablenessinstrumentalistinsurrectionistinterventionisminterventionistobstructivenessprogressiveness
descriptivenessdestructivenessdisgracefulnesshyperthyroidisminformativenessinscrutablenessinstrumentalistinsurrectionistinterventionisminterventionistobstructivenessprogressivenessquarrelsomenessremorselessnessrestrictivenesssuperfluousnessunderhandednessarboriculturistdepartmentalismdeterminatenessdistrustfulnessexperientialismexperimentalismexperimentalistimportunatenessinstrumentalismmajoritarianismmistrustfulnessresurrectionismresurrectionistsuperficialnesssuperlativenesssupernaturalismsupernaturalistsuperpatriotismalternativenessanthropopathismantirationalismantirationalistantiromanticismclearheadednessdistressfulnessgovernmentalismgovernmentalisthypercatabolismhyperinsulinismhypermetabolismhyperparasitisminheritablenessinstructivenessinterestingnesssubordinatenesssuperparasitismsuperspecialistsuppressivenesstemerariousnessunforgivingness

About this list

Words
57 (17 common words)
Common example
descriptiveness
Rare example
unforgivingness
Doubled letters
31
Ending in S
28
Most frequent letter
I (52)

Questions

How many 15-letter words matching ____r________s_ are there?

57. 17 of them are common words.

What is a common example?

DESCRIPTIVENESS is among the common words in this set.