12-Letter Words Matching _R___O______

There are 84 12-letter words that match _R___O______. 23 are common words, such as ARCHEOLOGIES and ARCHEOLOGIST. A rarer one is UROCHORDATES. In this set, S is the most frequent open letter (72 words). 17 words contain a doubled letter.

Full list 84

Common words

archeologiesarcheologistaristocraticarthroscopesarthroscopicbroncobusterbrontosauruscryptographygraciousnessgraphologiesgraphologistgrievousness
archeologiesarcheologistaristocraticarthroscopesarthroscopicbroncobusterbrontosauruscryptographygraciousnessgraphologiesgraphologistgrievousnessgruesomenessirresolutelyirresolutionpraseodymiumpreciositiespreciousnesstraitorouslytrampoliningtransoceanicurbanologiesurbanologistarsenopyritearthrosporescraniofacialcraniometerscraniotomiescristobalitecryptographscryptonymousergonometricgreenockitesgriseofulvinirreformableirresolvableorganographypreprocessedproctologiesproctologistproctoscopesprothonotarytrampolinisttrichomonadstroglodytismtrophozoitescraniologiescraniosacralcryptococcalcryptococcuscryptogamouscryptologiescryptologistcryptomeriascryptorchidscryptorchismerythorbatesgradiometersorganolepticorganologiesorismologiespraetorshipspraxeologiespreprocessespreprocessorpreprogramedpreviousnessproctodaeumsproctorshipsproglottidesproteoglycantraitoressestrampolinerstrichologiestrichologisttrichopterantrichotomiestrichotomoustriphosphatetrochophorestrophoblaststryptophanesurediosporesurochordates

About this list

Words
84 (23 common words)
Common example
archeologies
Rare example
urochordates
Doubled letters
17
Ending in S
47
Most frequent letter
S (72)

Questions

How many 12-letter words matching _r___o______ are there?

84. 23 of them are common words.

What is a common example?

ARCHEOLOGIES is among the common words in this set.