13-Letter Words Matching _R__O________

There are 91 13-letter words that match _R__O________. 32 are common words, such as ARDUOUSNESSES and FRIVOLOUSNESS. A rarer one is URANOGRAPHIES. In this set, P is the most frequent open letter (78 words). 12 words contain a doubled letter.

Full list 91

Common words

arduousnessesfrivolousnessirksomenessesorthodontistsorthogonalityorthographiesorthopaedistsprecognitionspreconceivingpreconceptionpreconditionspredominances
arduousnessesfrivolousnessirksomenessesorthodontistsorthogonalityorthographiesorthopaedistsprecognitionspreconceivingpreconceptionpreconditionspredominancespredominantlypredominatingpreponderancepreponderatedpreponderatesprepositionalprepossessingprepossessionprimogenitorsprimogenitureprolongationspronounceablepronouncementproportionalsproportionateproportioningpropositionalpropositionedprovocativelytrigonometricorthocephalicorthognathousorthographizeorthohydrogenpreconcessionpredominatelypredominationprimogenitaryprimordialityproboscideansprocompromiseproconsulatesprogovernmentpromonarchistprosopopoeiasprotoactiniumprotochordateprotolanguagebromocriptinegranodioritesgranodioriticorthoepicallyorthogonalizeorthopteristsorthopteroidsprecollegiateprecombustionprecommitmentpreconcertingpreconventionpreconvictionprecopulatorypreformationspreformattingpreformulatedpreformulatespremoisteningpremonitorilyprenominatingprenominationpreponderancypreportioningprepositivelypretournamentprevocationalproboscidiansproconsulshippromotabilitypromotivenesspropoxyphenesprosopographyprotogalaxiesprotohistoricprotonotariesprototrophiestriboelectrictrisoctahedratropocollagenuranographies

About this list

Words
91 (32 common words)
Common example
arduousnesses
Rare example
uranographies
Doubled letters
12
Ending in S
29
Most frequent letter
P (78)

Questions

How many 13-letter words matching _r__o________ are there?

91. 32 of them are common words.

What is a common example?

ARDUOUSNESSES is among the common words in this set.