12-Letter Words Matching ______R___N_

There are 140 12-letter words that match ______R___N_. 74 are common words, such as ACCELERATING and ADULTERATING. A rarer one is TUBOCURARINE. In this set, I is the most frequent open letter (130 words). 20 words contain a doubled letter.

Full list 140

Common words

acceleratingadulteratingalliteratingamelioratingasseveratingbackstrokingbiodegradingblowtorchingbowdlerizingburglarizingcategorizingchamberlains
acceleratingadulteratingalliteratingamelioratingasseveratingbackstrokingbiodegradingblowtorchingbowdlerizingburglarizingcategorizingchamberlainsconsecratingcorkscrewingcounterpointcountersignsdeceleratingdegeneratingdeleveragingdeliberatingdepolarizingdeprogramingdisapprovingdiscouragingenterprisingequestrienneevisceratingexaggeratingexasperatingexhilaratingghostwritingglamourizingillustratinginauguratingincineratinginfiltratinginterpretinginvigoratingmasqueradingmilitarizingmisapprehendmisrepresentmoisturizingnoncorrodingobliteratingoverthrowingparaphrasingpasteurizingperpetratingplagiarizingpolymerizingpopularizingpressurizingreapportionsreassertionsrecuperatingredecoratingregeneratingregularisingregularizingreinsertionsremuneratingreprogramingretrogradingsecularizingsidestrokingslenderizingstockbrokingtranscribingunderwritingunsurprisingvituperatingvociferatingweatherizingverdigrisingallegorizingambiversionscamphoratingchrysarobinscyclopropanedecolorizingedulcoratingfrogmarchinghorsetradingjurisprudentmodularizingpolychromingsauerbratensspeakerphonesymmetrizingthunderstonetyrothricinsunderpricingvinegarroonsaccoutrementallegorisingbipolarizingbowdlerisingcantharidinscategorisingcounteragentcounterplanscountersuingcountertrendcryosurgeonsdeflagratingdesideratingelucubratingexenteratinggeometrisinggeometrizinginteneratingintergradingluteotropinsmicrobrewingmilitarisingmoisturisingnonoperatingoutsparklingoverstrewingoverstridingoverstrikingpasteurisingplagiarisingpolymerisingpopularisingpreapprovingpressurisingredescribingreenthroningrepolarizingrevalorizingsecularisingseropurulentsulphurisingtheatergoingthyrotropinstrifluralinstrimetrogonstubocurarine

About this list

Words
140 (74 common words)
Common example
accelerating
Rare example
tubocurarine
Doubled letters
20
Ending in S
17
Most frequent letter
I (130)

Questions

How many 12-letter words matching ______r___n_ are there?

140. 74 of them are common words.

What is a common example?

ACCELERATING is among the common words in this set.