12-Letter Words Matching ____L_R_____

There are 64 12-letter words that match ____L_R_____. 31 are common words, such as ACCELERATING and ACCELERATION. A rarer one is TRIFLURALINS. In this set, I is the most frequent open letter (57 words). 11 words contain a doubled letter.

Full list 64

Common words

acceleratingaccelerationacceleratorsangularitiesbipolaritiesbowdlerizingburglarizingburglarproofdeceleratingdecelerationdeceleratorsdepolarizing
acceleratingaccelerationacceleratorsangularitiesbipolaritiesbowdlerizingburglarizingburglarproofdeceleratingdecelerationdeceleratorsdepolarizingexhilaratingexhilarationinfiltratinginfiltrationinfiltratorsinsularitiesintolerancesintolerantlyjocularitiesnonclericalspopularitiespopularizingregularisingregularitiesregularizingscholarshipssecularizingsimilaritieswheelwrightsaccelerandosaccelerativedecolorizingexhilarativeexhilirativefolkloristicmodularizingpralltrillersecularisticbipolarizingbowdlerisingbowdlerizersdechlorinatedecolorizersdepolarizersdichlorvosesinfiltrativelandlordismslovelornnessmodularitiesosmolaritiesoverlordshippopularisingpopularizersrepolarizingrevalorizingsecularisingsecularitiessecularizersshellcrackertoddlerhoodstrailbreakertrifluralins

About this list

Words
64 (31 common words)
Common example
accelerating
Rare example
trifluralins
Doubled letters
11
Ending in S
28
Most frequent letter
I (57)

Questions

How many 12-letter words matching ____l_r_____ are there?

64. 31 of them are common words.

What is a common example?

ACCELERATING is among the common words in this set.