
Here are some examples of five-letter words that start with the letter “RU”:
- ruach
- ruana
- rubai
- ruban
- rubby
- rubel
- rubes
- rubin
- rubio
- ruble
- rubli
- rubor
- rubus
- ruche
- ruchy
- rucks
- rudas
- rudds
- ruddy
- ruder
- rudes
- rudie
- rudis
- rueda
- ruers
- ruffe
- ruffs
- ruffy
- rufus
- rugae
- rugal
- rugas
- rugby
- ruggy
- ruice
- ruing
- ruins
- rukhs
- ruled
- ruler
- rules
- rully
- rumal
- rumba
- rumbo
- rumen
- rumes
- rumly
- rummy
- rumor
- rumpo
- rumps
- rumpy
- runce
- runch
- runds
- runed
- runer
- runes
- rungs
- runic
- runny
- runos
- runts
- runty
- runup
- ruote
- rupee
- rupia
- rural
- rurps
- rurus
- rusas
- ruses
- rushy
- rusks
- rusky
- rusma
- russe
- rusts
- rusty
- ruths
- rutin
- rutty
- ruvid
Please note that this is not an exhaustive list, and there are many more five-letter words in the English language that start with the letters “RU”.