15-Letter Words Matching __R___O________

There are 32 15-letter words that match __R___O________. 10 are common words, such as ATROCIOUSNESSES and CARCINOGENICITY. A rarer one is WORRISOMENESSES. In this set, S is the most frequent open letter (30 words). 22 words contain a doubled letter.

Full list 32

Common words

atrociousnessescarcinogenicitycarnivorousnessegregiousnessesferociousnessesgarrulousnessesirrationalitiesstrenuousnessestyrannosaurusesvoraciousnessesbarbarousnessescerebrovascular
atrociousnessescarcinogenicitycarnivorousnessegregiousnessesferociousnessesgarrulousnessesirrationalitiesstrenuousnessestyrannosaurusesvoraciousnessesbarbarousnessescerebrovascularcorticosteroidscorticosteronesdermatoglyphicserroneousnessesforthcomingnessmurderousnessesstreptothricinsthromboembolismthromboplastinscarcinosarcomascorticotrophinsirrationalisticmarvelousnessesstreptobacillusterritorialismsterritorialiststerritorializedterritorializesveraciousnessesworrisomenesses

About this list

Words
32 (10 common words)
Common example
atrociousnesses
Rare example
worrisomenesses
Doubled letters
22
Ending in S
27
Most frequent letter
S (30)

Questions

How many 15-letter words matching __r___o________ are there?

32. 10 of them are common words.

What is a common example?

ATROCIOUSNESSES is among the common words in this set.