13-Letter Words Matching _R______O____

There are 57 13-letter words that match _R______O____. 29 are common words, such as ARCHAEOLOGIES and ARCHAEOLOGIST. A rarer one is TRINUCLEOTIDE. In this set, I is the most frequent open letter (51 words). 7 words contain a doubled letter.

Full list 57

Common words

archaeologiesarchaeologistarchbishopricbreakthroughscriminologiescriminologistornithologiesornithologistpractitionersprecautionaryprecipitouslypretentiously
archaeologiesarchaeologistarchbishopricbreakthroughscriminologiescriminologistornithologiesornithologistpractitionersprecautionaryprecipitouslypretentiouslyprocessionalsprocessioningprofessionalsprojectionistpromiscuouslyproportionalsproportionateproportioningproprietorialprotectionismprotectionisttracheotomiestransistorizetransitioningtreacherouslytriceratopsestroublesomelyarchdeaconatearthroscopiesdraughtboardsgraminivorousirreligiouslyprediagnosticprimatologiesprocompromiseprogenitorialprosopopoeiastransitionarycryobiologiescryobiologistcryptozoologycrystalloidalirreligionistprecautioningpremonitorilypreparatorilypreportioningprestigiouslypretensioningprimatologistprocuratorialprosecutorialtransistorisetriamcinolonetrinucleotide

About this list

Words
57 (29 common words)
Common example
archaeologies
Rare example
trinucleotide
Doubled letters
7
Ending in S
16
Most frequent letter
I (51)

Questions

How many 13-letter words matching _r______o____ are there?

57. 29 of them are common words.

What is a common example?

ARCHAEOLOGIES is among the common words in this set.