12-Letter Words Matching ____O____O__

There are 137 12-letter words that match ____O____O__. 41 are common words, such as APPROBATIONS and CARBONACEOUS. A rarer one is VACUOLATIONS. In this set, S is the most frequent open letter (105 words). 16 words contain a doubled letter.

Full list 137

Common words

approbationscarbonaceouscarbonationscollocationscompositionsconnotationsconsolationsconvocationsconvolutionscorporationsdiscourteousdislocations
approbationscarbonaceouscarbonationscollocationscompositionsconnotationsconsolationsconvocationsconvolutionscorporationsdiscourteousdislocationsdispositionsdissolutionselaborationsembrocationsevaporationsexplorationshydrocarbonsintroductorymeliorationsmicrobiologynonpoisonouspaleontologypercolationsperforationspremonitionsprepositionspreposterouspropositionsprorogationsprovocationsradiocarbonsradioisotoperestorationssubconscioussuffocationssuppositionssyncopationstestosteroneunpropitiousanacoluthonsandrosteroneanemophilousastrobiologyastrogeologybenzophenonecarpophagouscondonationscoprocessorscoprophagouscoprophilousdiatomaceoushydrogeologyhydrophiloushydroquinonehygrophilousmacropterousmalpositionsmatroclinousneurobiologyoophorectomyorthopterousorthotropouspaleobiologypaleoecologypaleozoologyphotocathodephotocomposephotophilousphysostomousphytobiologyphytohormonephytophagouspreconsciousprotohistoryprotozoologyradiobiologyreprobationsrhizocarpoussaprophagoussiphonophoresociobiologystenophagoussuppositiousthoroughworttropophilouswithoutdoorsyellowthroatanthophilouschylomicronscitronellolsclitorectomycoevolutionscoleopterousdeflorationsenamorationsethnohistoryfibrosarcomaheliolatroushydrobiologyhydrocolloidhydrometeorsmicroanatomymicromethodsmicrosporousmicrovillousmislocationsmispositionsnecrophagousneuroanatomyneurofibromaneurohormoneneuropterousneurosensorynonconsciousnonsolutionsoligophagousorthopteroidosteosarcomaovipositionspathobiologyperformatorypersonationsphotobiologyphotogeologyphotoperiodsphytosterolsplerocercoidprotonationsradioecologyreprovisionsretroactionssubrogationssulfonationsunprosperousvacuolations

About this list

Words
137 (41 common words)
Common example
approbations
Rare example
vacuolations
Doubled letters
16
Ending in S
92
Most frequent letter
S (105)

Questions

How many 12-letter words matching ____o____o__ are there?

137. 41 of them are common words.

What is a common example?

APPROBATIONS is among the common words in this set.