15-Letter Words Matching ____R_O________

There are 51 15-letter words that match ____R_O________. 17 are common words, such as DELIRIOUSNESSES and DEPERSONALIZING. A rarer one is UNSERIOUSNESSES. In this set, E is the most frequent open letter (51 words). 24 words contain a doubled letter.

Full list 51

Common words

deliriousnessesdepersonalizinghilariousnessesimperiousnessesintercollegiateinterconnectinginterconnectioninterrogativelyinterrogatorieslaboriousnessesluxuriousnessesnefariousnesses
deliriousnessesdepersonalizinghilariousnessesimperiousnessesintercollegiateinterconnectinginterconnectioninterrogativelyinterrogatorieslaboriousnessesluxuriousnessesnefariousnessespenuriousnessessuperconductingsuperconductivesuperconductorsvicariousnessescongruousnesseshypercorrectioninjuriousnessesintercommunionsinterconversioninterrogationalinterrogatorilyproprioceptionsarteriographiesdecarboxylatingdecarboxylationexteriorizationhazardousnesseshypercoagulablehypermobilitieshypermodernistshyperpolarizinghypersomnolencehypertonicitiesimpersonalitiesimpersonalizingincuriousnessesintercomparisoninterconvertingintercorrelatedintercorrelatesinteriorizationintermodulationinterpopulationrumormongeringssupercontinentssuperconvenientsupergovernmentunseriousnesses

About this list

Words
51 (17 common words)
Common example
deliriousnesses
Rare example
unseriousnesses
Doubled letters
24
Ending in S
25
Most frequent letter
E (51)

Questions

How many 15-letter words matching ____r_o________ are there?

51. 17 of them are common words.

What is a common example?

DELIRIOUSNESSES is among the common words in this set.