15-Letter Words Matching ____R__U_______

There are 27 15-letter words that match ____R__U_______. 11 are common words, such as CONGRATULATIONS and DELIRIOUSNESSES. A rarer one is UNSERIOUSNESSES. In this set, S is the most frequent open letter (27 words). 18 words contain a doubled letter.

Full list 27

Common words

congratulationsdeliriousnesseshilariousnessesimperiousnesseslaboriousnessesluxuriousnessesnefariousnessespenuriousnessessuperabundancessuperfluousnessvicariousnessesarboriculturist
congratulationsdeliriousnesseshilariousnessesimperiousnesseslaboriousnessesluxuriousnessesnefariousnessespenuriousnessessuperabundancessuperfluousnessvicariousnessesarboriculturistchurrigueresquecongruousnessesdistributorshipinjuriousnessescentrifugationseffortfulnesseshazardousnessesincuriousnessesosmoregulationsoverregulationsregardfulnessessuperabundantlysuperfluiditiessuperovulationsunseriousnesses

About this list

Words
27 (11 common words)
Common example
congratulations
Rare example
unseriousnesses
Doubled letters
18
Ending in S
23
Most frequent letter
S (27)

Questions

How many 15-letter words matching ____r__u_______ are there?

27. 11 of them are common words.

What is a common example?

CONGRATULATIONS is among the common words in this set.