12-Letter Words Matching ____R_U_____

There are 73 12-letter words that match ____R_U_____. 29 are common words, such as AFTERBURNERS and CHEERFULLEST. A rarer one is UNDERRUNNING. In this set, E is the most frequent open letter (68 words). 39 words contain a doubled letter.

Full list 73

Common words

afterburnerscheerfullestcheerfulnesscolorfulnesscyberbulliesdecorousnessgenerousnesshumorousnessinterruptersinterruptinginterruptionopportunisms
afterburnerscheerfullestcheerfulnesscolorfulnesscyberbulliesdecorousnessgenerousnesshumorousnessinterruptersinterruptinginterruptionopportunismsopportunistsrecirculatedrecirculatesreformulatedreformulatesrepercussionrigorousnesssonorousnesstimorousnesstuberculosestuberculosisundercurrentundercuttingunformulatedunfortunatesunpersuasiveuppercuttingafterburningclairaudientcumbrousnessdecarburizeddecarburizesdolorousnessincorruptionintercurrentinternuclearinternuncialinternunciosinterruptivelustrousnessnumerousnesspowerfulnessrepercussivescabrousnesssuperhumanlysupermundaneuncirculatedunderfundingunderquotingundersurfacevaporousnessvigorousnesswondrousnesscanorousnessdesirousnessdistraughtlyfluorouracilhypermutablehypersurfaceintercultureintercuttinginterfusionsinternucleoninterruptorsnonargumentssupercurrentsuperqualitysupersurgeontuberculatedunderbuddingunderrunning

About this list

Words
73 (29 common words)
Common example
afterburners
Rare example
underrunning
Doubled letters
39
Ending in S
34
Most frequent letter
E (68)

Questions

How many 12-letter words matching ____r_u_____ are there?

73. 29 of them are common words.

What is a common example?

AFTERBURNERS is among the common words in this set.