Rubrum
caption
Rubrik
rubric
Hubraum
piston displacement
pistone swept volume
Subraum
hyperspace
subspace
Quorum
quorum
Utrum
common gender
Ruben
Reuben
Rübsen
canola
Rüebli
carrot
Rubel
rouble
rubl
Rubidium
rubidium
Rubin
ruby
Rübe
beet
turnip
Zubrot
by-meat
extra
bit extra
bit on the side
extra crust
übrig
remaining
Brun
Brown
Elbrus
Elbrus
Brut
incubation
brut
brut
Drumium
Drumian