13-Letter Words Matching __R_U________

There are 38 13-letter words that match __R_U________. 18 are common words, such as CIRCULARITIES and CIRCULARIZING. A rarer one is PERFUSIONISTS. In this set, I is the most frequent open letter (34 words). 11 words contain a doubled letter.

Full list 38

Common words

circularitiescircularizingcircumcisionscircumferencecircumscribedcircumscribescircumspectlycircumstancedcircumstancescircumventingcircumventioncorruptnesses
circularitiescircularizingcircumcisionscircumferencecircumscribedcircumscribescircumspectlycircumstancedcircumstancescircumventingcircumventioncorruptnessesfortunetellergarrulousnesshirsutenessespercussionistperfunctorilyperturbationscarburizationcircumambientcircumscribercircumvallatecircumventiveformulaicallyformularizingmercurialnessperdurabilitypermutationalcircularisingcircumcenterscircumcirclescircumfusionscircumstellarcorruptionistformularizersfortunatenessharquebusiersperfusionists

About this list

Words
38 (18 common words)
Common example
circularities
Rare example
perfusionists
Doubled letters
11
Ending in S
16
Most frequent letter
I (34)

Questions

How many 13-letter words matching __r_u________ are there?

38. 18 of them are common words.

What is a common example?

CIRCULARITIES is among the common words in this set.