13-Letter Words Matching _R__U________

There are 22 13-letter words that match _R__U________. 10 are common words, such as CREDULOUSNESS and GRADUALNESSES. A rarer one is TRINUCLEOTIDE. In this set, N is the most frequent open letter (18 words). 5 words contain a doubled letter.

Full list 22

credulousnessgradualnessesgranularitiesprepubescenceprepubescentsprofusenessespromulgationspronunciationprotuberancestremulousnessfrequentationfrequentativepresumptivelyprotuberantlygranulomatousoracularitiesprejudiciallyprepurchasingprequalifyingprocuratorialtrifurcationstrinucleotide

About this list

Words
22 (10 common words)
Common example
credulousness
Rare example
trinucleotide
Doubled letters
5
Ending in S
11
Most frequent letter
N (18)

Questions

How many 13-letter words matching _r__u________ are there?

22. 10 of them are common words.

What is a common example?

CREDULOUSNESS is among the common words in this set.