10-Letter Words Starting With RU

There are 51 10-letter words that start with RU. 20 are common words, such as RUBBERIEST and RUBBERIZED. A rarer one is RUSTICATOR. In this set, I is the most frequent open letter (38 words). 24 words contain a doubled letter.

Full list 51

Common words

rubberiestrubberizedrubberizesrubberneckrubbishingrudderlessrudenessesruefulnessruggednessruinationsruminatingrumination
rubberiestrubberizedrubberizesrubberneckrubbishingrudderlessrudenessesruefulnessruggednessruinationsruminatingruminationruminativerunaroundsrusticallyrusticatedrusticatesrustproofsrutheniumsruthlesslyrubiaceousrubiginousrubricatedrubricatesrubricatorrudderheadrudderpostrufescenceruffianismruminantlyrumrunnersrutheniousrubberlikerubellitesrubricallyrubythroatrudbeckiasrudimentalruggedizedruggedizesrugositiesrulershipsruminatorsruralisingruralitiesruralizingrushlightsrussetingsrussettingrussifyingrusticator

About this list

Words
51 (20 common words)
Common example
rubberiest
Rare example
rusticator
Doubled letters
24
Ending in S
24
Most frequent letter
I (38)

Questions

How many 10-letter words starting with ru are there?

51. 20 of them are common words.

What is a common example?

RUBBERIEST is among the common words in this set.