15-Letter Words Matching ____R_______S__

There are 70 15-letter words that match ____R_______S__. 31 are common words, such as ANTHROPOLOGISTS and ASSERTIVENESSES. A rarer one is WATERLESSNESSES. In this set, S is the most frequent open letter (67 words). 44 words contain a doubled letter.

Full list 70

Common words

anthropologistsassertivenessesatherosclerosesatherosclerosischeerlessnessescolorfastnessescolorlessnessesdeliriousnessesdesirablenessesexcursivenessesheterogeneouslyhilariousnesses
anthropologistsassertivenessesatherosclerosesatherosclerosischeerlessnessescolorfastnessescolorlessnessesdeliriousnessesdesirablenessesexcursivenessesheterogeneouslyhilariousnesseshonorablenesseshumorlessnessesimperfectnessesimperiousnessesincorrectnesseslaboriousnessesluxuriousnessesmiserablenessesnefariousnessesobstructionismsobstructionistspaterfamiliasespenuriousnessespowerlessnessessuperstitiouslyunceremoniouslyunearthlinessesunworldlinessesvicariousnessesabstractionismsabstractionistsadmirablenessesanthropogenesesanthropogenesiscongruousnessesfavorablenessesinjuriousnesseslibertarianismsopportunenessesuncertainnessesadversarinessesantiradicalismsdestructionistsdownrightnesseseffortfulnessesenterocolitisesexecrablenesseshazardousnessesheteromorphismsheterothallismshypercriticismshypermodernistsincorruptnessesincuriousnessesintercomparisonliturgiologistsmaterfamiliasesmemorablenessesrecursivenessesregardfulnessesreservationistsrestrictionismsrestrictionistsseparablenessessuperablenessesunseriousnessesvenerablenesseswaterlessnesses

About this list

Words
70 (31 common words)
Common example
anthropologists
Rare example
waterlessnesses
Doubled letters
44
Ending in S
66
Most frequent letter
S (67)

Questions

How many 15-letter words matching ____r_______s__ are there?

70. 31 of them are common words.

What is a common example?

ANTHROPOLOGISTS is among the common words in this set.