14-Letter Words Matching ____R___O_____

There are 36 14-letter words that match ____R___O_____. 4 are common words, such as PROPRIETORSHIP and UNCORROBORATED. A rarer one is WATERPROOFNESS. In this set, T is the most frequent open letter (32 words). 8 words contain a doubled letter.

Full list 36

Common words

proprietorshipuncorroboratedunderexposureswaterproofingsautoradiographdiffractometerinstructorshipinterferometerinterferometryintervalometerliberationistsscleroproteins
proprietorshipuncorroboratedunderexposureswaterproofingsautoradiographdiffractometerinstructorshipinterferometerinterferometryintervalometerliberationistsscleroproteinssoteriologicalsuperabsorbentwatercoloristsautoradiogramscocarcinogenicdiffractometryfluoroscopistsgastroduodenalgastroscopistsgenerationallyheteroploidiesheterotrophiesinterferogramsinterinvolvinginterparochiallaparoscopistsmalariologistsnephrectomizednephrectomizesoverrespondingseparationistssuperimposableunderreportingwaterproofness

About this list

Words
36 (4 common words)
Common example
proprietorship
Rare example
waterproofness
Doubled letters
8
Ending in S
16
Most frequent letter
T (32)

Questions

How many 14-letter words matching ____r___o_____ are there?

36. 4 of them are common words.

What is a common example?

PROPRIETORSHIP is among the common words in this set.