11-Letter Words Matching ____R___O__

There are 149 11-letter words that match ____R___O__. 69 are common words, such as ABERRATIONS and ABJURATIONS. A rarer one is WATERFLOODS. In this set, S is the most frequent open letter (130 words). 17 words contain a doubled letter.

Full list 149

Common words

aberrationsabjurationsabsorptionsadjurationsadmirationsadsorptionsalterationsalternatorsapparitionsarthroscopeaspirationsavoirdupois
aberrationsabjurationsabsorptionsadjurationsadmirationsadsorptionsalterationsalternatorsapparitionsarthroscopeaspirationsavoirdupoiscastrationscolorationscompressorsconcretionscontractorscontritionscoterminousdecorationsdescriptorsdiscretionsemigrationsexecrationsexpirationsfederationsfigurationsfiltrationsfluoroscopegenerationshibernatorshundredfoldinfarctionsinstructorsinterferonslacerationsliberationsmacerationsmaturationsmisprisionsmoderationsnumerationsobservatorypejorationsperorationsproprietorsprotractorsprotrusionsquarrelsomereformatoryreparationsresorptionssaturationsseparationssuperfluoussuperheroessuperimposesupervisorssupervisorysuppressorstolerationstuberculousulcerationsunderexposeundershootsvenerationswatercolorswatermelonswaterproofsaffirmatoryafterschoolailurophobeanthracnosearteriotomyarthroscopyarthrosporebutyraceouscherrystonecontraflowscontrariouscyperaceousdichroscopediversiformenterectomyenterostomyexhortatoryexpurgatoryfluoroscopygastrectomygastroscopegastrostomyhetereciousheterophonyheterotrophhyperbatonshyperboloidhypervisorsindurationsinformatorylaparoscopelaparoscopylateritiouslythraceousmembraneousnephrectomyobjurgatoryonagraceouspapyraceouspiperaceouspolariscopepylorectomyresorcinolssoteriologysuperstrongulotrichousabstractorscataractouscodirectorsdeaerationsdesorptionsdistrainorselutriatorsexcerptionsexpurgatorsextirpatorsgastroscopyheteroatomsheteroploidheterosporyinterschoolinterunionsintervenorsliterationslustrationsmalariologynephrostomeobstructorsobturationsoverrespondprocreatorspropraetorsseveralfoldsuperalloyssuperschoolsupersmoothtemerarioustuberculoidunderreportwaterfloods

About this list

Words
149 (69 common words)
Common example
aberrations
Rare example
waterfloods
Doubled letters
17
Ending in S
98
Most frequent letter
S (130)

Questions

How many 11-letter words matching ____r___o__ are there?

149. 69 of them are common words.

What is a common example?

ABERRATIONS is among the common words in this set.